diff --git a/benchmarks/pom.xml b/benchmarks/pom.xml
index dc8dca71e42..798d5cc1167 100644
--- a/benchmarks/pom.xml
+++ b/benchmarks/pom.xml
@@ -29,8 +29,6 @@
 
   <properties>
     <main.basedir>${project.basedir}/..</main.basedir>
-    <main.java.version>1.8</main.java.version>
-    <main.signature.artifact>java18</main.signature.artifact>
     <jmh.version>1.37</jmh.version>
     <unpack-proto.directory>${project.build.directory}/main/proto</unpack-proto.directory>
   </properties>
diff --git a/pom.xml b/pom.xml
index 00b35a398cf..1583f2509d6 100755
--- a/pom.xml
+++ b/pom.xml
@@ -420,6 +420,8 @@
         </configuration>
         <executions>
           <execution>
+            <id>animal-sniffer</id>
+            <phase>verify</phase>
             <goals>
               <goal>check</goal>
             </goals>
diff --git a/zipkin-collector/pom.xml b/zipkin-collector/pom.xml
index a9ebac2db38..e1d0f700d65 100644
--- a/zipkin-collector/pom.xml
+++ b/zipkin-collector/pom.xml
@@ -30,8 +30,6 @@
 
   <properties>
     <main.basedir>${project.basedir}/..</main.basedir>
-    <main.java.version>1.8</main.java.version>
-    <main.signature.artifact>java18</main.signature.artifact>
   </properties>
 
   <modules>
diff --git a/zipkin-lens/package-lock.json b/zipkin-lens/package-lock.json
index 861539e4985..6574a5aa344 100644
--- a/zipkin-lens/package-lock.json
+++ b/zipkin-lens/package-lock.json
@@ -7675,7 +7675,7 @@
     "asap": {
       "version": "2.0.6",
       "resolved": "https://registry.npmjs.org/asap/-/asap-2.0.6.tgz",
-      "integrity": "sha512-BSHWgDSAiKs50o2Re8ppvp3seVHXSRM44cdSsT9FfNEUUZLOGWVCsiWaRPWM1Znn+mqZ1OfVZ3z3DWEzSp7hRA=="
+      "integrity": "sha1-5QNHYR1+aQlDIIu9r+vLwvuGbUY="
     },
     "async": {
       "version": "3.2.5",
@@ -7902,7 +7902,7 @@
     "babel-plugin-syntax-jsx": {
       "version": "6.18.0",
       "resolved": "https://registry.npmjs.org/babel-plugin-syntax-jsx/-/babel-plugin-syntax-jsx-6.18.0.tgz",
-      "integrity": "sha512-qrPaCSo9c8RHNRHIotaufGbuOBN8rtdC4QrrFFc43vyWCCz7Kl7GL1PGaXtMGQZUXrkCjNEgxDfmAuAabr/rlw=="
+      "integrity": "sha1-CvMqmm4Tyno/1QaeYtew9Y0NiUY="
     },
     "babel-plugin-transform-react-remove-prop-types": {
       "version": "0.4.24",
@@ -8028,7 +8028,7 @@
     "batch": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/batch/-/batch-0.6.1.tgz",
-      "integrity": "sha512-x+VAiMRL6UPkx+kudNvxTl6hB2XNNCG2r+7wixVfIYwu/2HKRXimwQyaumLjMveWvT2Hkd/cAJw+QBMfJ/EKVw=="
+      "integrity": "sha1-3DQxT05nkxgJP8dgJyUl+UvyXBY="
     },
     "bcp-47": {
       "version": "1.0.7",
@@ -8225,7 +8225,7 @@
     "bytes": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.0.0.tgz",
-      "integrity": "sha512-pMhOfFDPiv9t5jjIXkHosWmkSyQbvsgEVNkz0ERHbuLh2T/7j4Mqqpz523Fe8MVY89KC6Sh/QfS2sM+SjgFDcw=="
+      "integrity": "sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg="
     },
     "call-bind": {
       "version": "1.0.5",
@@ -8424,7 +8424,7 @@
     "clone": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/clone/-/clone-1.0.4.tgz",
-      "integrity": "sha512-JQHZ2QMW6l3aH/j6xCqQThY/9OH4D/9ls34cgkUBiEeocRTU04tHfKPBsUK1PqZCUQM7GiA0IIXJSuXHI64Kbg=="
+      "integrity": "sha1-2jCcwmPfFZlMaIypAheco8fNfH4="
     },
     "clsx": {
       "version": "1.1.1",
@@ -8434,7 +8434,7 @@
     "co": {
       "version": "4.6.0",
       "resolved": "https://registry.npmjs.org/co/-/co-4.6.0.tgz",
-      "integrity": "sha512-QVb0dM5HvG+uaxitm8wONl7jltx8dqhfU33DcqtOZcLSVIKSDDLDi7+0LbAKiyI8hD9u42m2YxXSkMGWThaecQ=="
+      "integrity": "sha1-bqa989hTrlTMuOR7+gvz+QMfsYQ="
     },
     "coa": {
       "version": "2.0.2",
@@ -8475,12 +8475,12 @@
         "color-name": {
           "version": "1.1.3",
           "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
-          "integrity": "sha512-72fSenhMw2HZMTVHeCA9KCmpEIbzWiQsjN+BHcBbS9vr1mtt+vJjPdksIBNUmKAW8TFUDPJK5SUU3QhE9NEXDw=="
+          "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU="
         },
         "has-flag": {
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
-          "integrity": "sha512-sKJf1+ceQBr4SMkvQnBDNDtf4TXpVhVGateu0t918bl30FnbE2m4vNLX+VWe/dpjlb+HugGYzW7uQXH98HPEYw=="
+          "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0="
         },
         "supports-color": {
           "version": "5.5.0",
@@ -8523,7 +8523,7 @@
     "colors": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/colors/-/colors-1.0.3.tgz",
-      "integrity": "sha512-pFGrxThWcWQ2MsAz6RtgeWe4NK2kUE1WfsrvvlctdII745EW9I0yflqhe7++M5LEc7bV2c/9/5zc8sFcpL0Drw=="
+      "integrity": "sha1-BDP0TYCWgP3rYO0mDxsMJi6CpAs="
     },
     "combined-stream": {
       "version": "1.0.8",
@@ -8551,7 +8551,7 @@
     "commondir": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/commondir/-/commondir-1.0.1.tgz",
-      "integrity": "sha512-W9pAhw0ja1Edb5GVdIF1mjZw/ASI0AlShXM83UUGe2DVr5TdAPEA1OA8m/g8zWp9x6On7gqufY+FatDbC3MDQg=="
+      "integrity": "sha1-3dgA2gxmEnOTzKWVDqloo6rxJTs="
     },
     "compressible": {
       "version": "2.0.18",
@@ -8586,7 +8586,7 @@
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           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A=="
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
         },
         "safe-buffer": {
           "version": "5.1.2",
@@ -8631,7 +8631,7 @@
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       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
-      "integrity": "sha512-QADzlaHc8icV8I7vbaJXJwod9HWYp8uCqf1xa4OfNu1T7JVxQIrUgOWtHdNDtPiywmFbiS12VjotIXLrKM3orQ=="
+      "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
     },
     "copy-to-clipboard": {
       "version": "3.3.1",
@@ -8697,7 +8697,7 @@
     "css-color-keywords": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/css-color-keywords/-/css-color-keywords-1.0.0.tgz",
-      "integrity": "sha512-FyyrDHZKEjXDpNJYvVsV960FiqQyXc/LlYmsxl2BcdMb2WPx0OGRVgTg55rPSyLSNMqP52R9r8geSp7apN3Ofg=="
+      "integrity": "sha1-/qJhbcZ2spYmhrOvjb2+GAskTgU="
     },
     "css-declaration-sorter": {
       "version": "6.4.1",
@@ -8872,7 +8872,7 @@
     "css.escape": {
       "version": "1.5.1",
       "resolved": "https://registry.npmjs.org/css.escape/-/css.escape-1.5.1.tgz",
-      "integrity": "sha512-YUifsXXuknHlUsmlgyY0PKzgPOr7/FjCePfHNt0jxm83wHZi44VDMQ7/fGNkjY3/jV1MC+1CmZbaHzugyeRtpg=="
+      "integrity": "sha1-QuJ9T6BK4y+TGktNQZH6nN3ul8s="
     },
     "cssdb": {
       "version": "7.9.1",
@@ -9379,7 +9379,7 @@
         "ms": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A=="
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
         }
       }
     },
@@ -9409,7 +9409,7 @@
     "dns-equal": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/dns-equal/-/dns-equal-1.0.0.tgz",
-      "integrity": "sha512-z+paD6YUQsk+AbGCEM4PrOXSss5gd66QfcVBFTKR/HpFL9jCqikS94HYwKww6fQyO7IxrIIyUu+g0Ka9tUS2Cg=="
+      "integrity": "sha1-s55/HabrCnW6nBcySzR1PEfgZU0="
     },
     "dns-packet": {
       "version": "5.6.1",
@@ -9504,7 +9504,7 @@
     "ee-first": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
-      "integrity": "sha512-WMwm9LhRUo+WUaRN+vRuETqG89IgZphVSNkdFgeb6sS/E4OrDIN7t48CAewSHXc6C8lefD8KKfr5vY61brQlow=="
+      "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0="
     },
     "ejs": {
       "version": "3.1.9",
@@ -9537,7 +9537,7 @@
     "encodeurl": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
-      "integrity": "sha512-TPJXq8JqFaVYm2CWmPvnP2Iyo4ZSM7/QKcSmuMLDObfpH5fi7RUGmd/rTDf+rut/saiDiQEeVTNgAmJEdAOx0w=="
+      "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k="
     },
     "enhanced-resolve": {
       "version": "5.15.0",
@@ -9867,7 +9867,7 @@
     "escape-html": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
-      "integrity": "sha512-NiSupZ4OeuGwr68lGIeym/ksIZMJodUGOSCZ/FSnTxcrekbvqrgdUxlJOMpijaKZVjAJrWrGs/6Jy8OMuyj9ow=="
+      "integrity": "sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg="
     },
     "escape-string-regexp": {
       "version": "1.0.5",
@@ -10956,7 +10956,7 @@
     "etag": {
       "version": "1.8.1",
       "resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz",
-      "integrity": "sha512-aIL5Fx7mawVa300al2BnEE4iNvo1qETxLrPI/o05L7z6go7fCw1J6EQmbK4FmJ2AS7kgVF/KEZWufBfdClMcPg=="
+      "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc="
     },
     "eventemitter3": {
       "version": "4.0.4",
@@ -10997,7 +10997,7 @@
     "exit": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/exit/-/exit-0.1.2.tgz",
-      "integrity": "sha512-Zk/eNKV2zbjpKzrsQ+n1G6poVbErQxJ0LBOJXaKZ1EViLzH+hrLu9cdXI4zw9dBQJslwBEpbQ2P1oS7nDxs6jQ=="
+      "integrity": "sha1-BjJjj42HfMghB9MKD/8aF8uhzQw="
     },
     "expect": {
       "version": "27.5.1",
@@ -11678,7 +11678,7 @@
     "fresh": {
       "version": "0.5.2",
       "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
-      "integrity": "sha512-zJ2mQYM18rEFOudeV4GShTGIQ7RbzA7ozbU9I/XBpm7kqgMywgmylMwXHxZJmkVoYkna9d2pVXVXPdYTP9ej8Q=="
+      "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac="
     },
     "fs-extra": {
       "version": "9.0.1",
@@ -11715,7 +11715,7 @@
     "fuzzaldrin": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/fuzzaldrin/-/fuzzaldrin-2.1.0.tgz",
-      "integrity": "sha512-zgllBYwfHR5P3CncJiGbGVPpa3iFYW1yuPaIv8DiTVRrcg5/6uETNL5zvIoKflG1aifXVUZTlIroDehw4WygGA=="
+      "integrity": "sha1-kCBMPi/appQbso0WZF1BgGOpDps="
     },
     "gensync": {
       "version": "1.0.0-beta.2",
@@ -12005,7 +12005,7 @@
     "hpack.js": {
       "version": "2.1.6",
       "resolved": "https://registry.npmjs.org/hpack.js/-/hpack.js-2.1.6.tgz",
-      "integrity": "sha512-zJxVehUdMGIKsRaNt7apO2Gqp0BdqW5yaiGHXXmbpvxgBYVZnAql+BJb4RO5ad2MgpbZKn5G6nMnegrH1FcNYQ==",
+      "integrity": "sha1-h3dMCUnlE/QuhFdbPEVoH63ioLI=",
       "requires": {
         "inherits": "^2.0.1",
         "obuf": "^1.0.0",
@@ -12096,7 +12096,7 @@
     "http-deceiver": {
       "version": "1.2.7",
       "resolved": "https://registry.npmjs.org/http-deceiver/-/http-deceiver-1.2.7.tgz",
-      "integrity": "sha512-LmpOGxTfbpgtGVxJrj5k7asXHCgNZp5nLfp+hWc8QQRqtb7fUy6kRY3BO1h9ddF6yIPYUARgxGOwB42DnxIaNw=="
+      "integrity": "sha1-+nFolEq5pRnTN8sL7HKE3D5yPYc="
     },
     "http-errors": {
       "version": "2.0.0",
@@ -12194,7 +12194,7 @@
     "identity-obj-proxy": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/identity-obj-proxy/-/identity-obj-proxy-3.0.0.tgz",
-      "integrity": "sha512-00n6YnVHKrinT9t0d9+5yZC6UBNJANpYEQvL2LlX6Ab9lnmxzIRcEmTPuyGScvl1+jKuCICX1Z0Ab1pPKKdikA==",
+      "integrity": "sha1-lNK9qWCERT7zb7xarsN+D3nx/BQ=",
       "requires": {
         "harmony-reflect": "^1.4.6"
       }
@@ -12283,7 +12283,7 @@
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       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/imurmurhash/-/imurmurhash-0.1.4.tgz",
-      "integrity": "sha512-JmXMZ6wuvDmLiHEml9ykzqO6lwFbof0GG4IkcGaENdCRDDmMVnny7s5HsIgHCbaq0w2MyPhDqkhTUgS2LU2PHA=="
+      "integrity": "sha1-khi5srkoojixPcT7a21XbyMUU+o="
     },
     "indent-string": {
       "version": "4.0.0",
@@ -12485,7 +12485,7 @@
     "is-in-browser": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/is-in-browser/-/is-in-browser-1.1.3.tgz",
-      "integrity": "sha512-FeXIBgG/CPGd/WUxuEyvgGTEfwiG9Z4EKGxjNMRqviiIIfsmgrpnHLffEDdwUHqNva1VEW91o3xBT/m8Elgl9g=="
+      "integrity": "sha1-Vv9NtoOgeMYILrldrX3GLh0E+DU="
     },
     "is-inside-container": {
       "version": "1.0.0",
@@ -12553,7 +12553,7 @@
     "is-regexp": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-regexp/-/is-regexp-1.0.0.tgz",
-      "integrity": "sha512-7zjFAPO4/gwyQAAgRRmqeEeyIICSdmCqa3tsVHMdBzaXXRiqopZL4Cyghg/XulGWrtABTpbnYYzzIRffLkP4oA=="
+      "integrity": "sha1-/S2INUXEa6xaYz57mgnof6LLUGk="
     },
     "is-root": {
       "version": "2.1.0",
@@ -12647,7 +12647,7 @@
     "isexe": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
-      "integrity": "sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw=="
+      "integrity": "sha1-6PvzdNxVb/iUehDcsFctYz8s+hA="
     },
     "isobject": {
       "version": "3.0.1",
@@ -16047,7 +16047,7 @@
     "json-stable-stringify-without-jsonify": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/json-stable-stringify-without-jsonify/-/json-stable-stringify-without-jsonify-1.0.1.tgz",
-      "integrity": "sha512-Bdboy+l7tA3OGW6FjyFHWkP5LuByj1Tk33Ljyq0axyzdk9//JSi2u3fP1QSmd1KNwq6VOKYGlAu87CisVir6Pw=="
+      "integrity": "sha1-nbe1lJatPzz+8wp1FC0tkwrXJlE="
     },
     "jsonfile": {
       "version": "6.0.1",
@@ -16264,7 +16264,7 @@
     "lodash.memoize": {
       "version": "4.1.2",
       "resolved": "https://registry.npmjs.org/lodash.memoize/-/lodash.memoize-4.1.2.tgz",
-      "integrity": "sha512-t7j+NzmgnQzTAYXcsHYLgimltOV1MXHtlOWf6GjL9Kj8GK5FInw5JotxvbOs+IvV1/Dzo04/fCGfLVs7aXb4Ag=="
+      "integrity": "sha1-vMbEmkKihA7Zl/Mj6tpezRguC/4="
     },
     "lodash.merge": {
       "version": "4.6.2",
@@ -16284,7 +16284,7 @@
     "lodash.uniq": {
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       "resolved": "https://registry.npmjs.org/lodash.uniq/-/lodash.uniq-4.5.0.tgz",
-      "integrity": "sha512-xfBaXQd9ryd9dlSDvnvI0lvxfLJlYAZzXomUYzLKtUeOQvOP5piqAWuGtrhWeqaXK9hhoM/iyJc5AV+XfsX3HQ=="
+      "integrity": "sha1-0CJTc662Uq3BvILklFM5qEJ1R3M="
     },
     "log-symbols": {
       "version": "3.0.0",
@@ -16425,7 +16425,7 @@
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       "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
-      "integrity": "sha512-dq+qelQ9akHpcOl/gUVRTxVIOkAJ1wR3QAvb4RsVjS8oVoFjDGTc679wJYmUmknUF5HwMLOgb5O+a3KxfWapPQ=="
+      "integrity": "sha1-hxDXrwqmJvj/+hzgAWhUUmMlV0g="
     },
     "memfs": {
       "version": "3.5.3",
@@ -16443,7 +16443,7 @@
     "merge-descriptors": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.1.tgz",
-      "integrity": "sha512-cCi6g3/Zr1iqQi6ySbseM1Xvooa98N0w31jzUYrXPX2xqObmFGHJ0tQ5u74H3mVh7wLouTseZyYIq39g8cNp1w=="
+      "integrity": "sha1-sAqqVW3YtEVoFQ7J0blT8/kMu2E="
     },
     "merge-stream": {
       "version": "2.0.0",
@@ -16463,7 +16463,7 @@
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       "resolved": "https://registry.npmjs.org/methods/-/methods-1.1.2.tgz",
-      "integrity": "sha512-iclAHeNqNm68zFtnZ0e+1L2yUIdvzNoauKU4WBA3VvH/vPFieF7qfRlwUZU+DA9P9bPXIS90ulxoUoCH23sV2w=="
+      "integrity": "sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4="
     },
     "micromatch": {
       "version": "4.0.2",
@@ -16636,7 +16636,7 @@
     "natural-compare": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/natural-compare/-/natural-compare-1.4.0.tgz",
-      "integrity": "sha512-OWND8ei3VtNC9h7V60qff3SVobHr996CTwgxubgyQYEpg290h9J0buyECNNJexkFm5sOajh5G116RYA1c8ZMSw=="
+      "integrity": "sha1-Sr6/7tdUHywnrPspvbvRXI1bpPc="
     },
     "natural-compare-lite": {
       "version": "1.4.0",
@@ -16706,7 +16706,7 @@
     "node-int64": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/node-int64/-/node-int64-0.4.0.tgz",
-      "integrity": "sha512-O5lz91xSOeoXP6DulyHfllpq+Eg00MWitZIbtPfoSEvqIHdl5gfcY6hYzDWnj0qD5tz52PI08u9qUvSVeUBeHw=="
+      "integrity": "sha1-h6kGXNs1XTGC2PlM4RGIuCXGijs="
     },
     "node-releases": {
       "version": "2.0.14",
@@ -16721,7 +16721,7 @@
     "normalize-range": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/normalize-range/-/normalize-range-0.1.2.tgz",
-      "integrity": "sha512-bdok/XvKII3nUpklnV6P2hxtMNrCboOjAcyBuQnWEhO665FwrSNRxU+AqpsyvO6LgGYPspN+lu5CLtw4jPRKNA=="
+      "integrity": "sha1-LRDAa9/TEuqXd2laTShDlFa3WUI="
     },
     "normalize-url": {
       "version": "6.1.0",
@@ -18721,7 +18721,7 @@
     "q": {
       "version": "1.5.1",
       "resolved": "https://registry.npmjs.org/q/-/q-1.5.1.tgz",
-      "integrity": "sha512-kV/CThkXo6xyFEZUugw/+pIOywXcDbFYgSct5cT3gqlbkBE1SJdwy6UQoZvodiWF/ckQLZyDE/Bu1M6gVu5lVw=="
+      "integrity": "sha1-fjL3W0E4EpHQRhHxvxQQmsAGUdc="
     },
     "querystring": {
       "version": "0.2.0",
@@ -19759,7 +19759,7 @@
     "relateurl": {
       "version": "0.2.7",
       "resolved": "https://registry.npmjs.org/relateurl/-/relateurl-0.2.7.tgz",
-      "integrity": "sha512-G08Dxvm4iDN3MLM0EsP62EDV9IuhXPR6blNz6Utcp7zyV3tr4HVNINt6MpaRWbxoOHT3Q7YN2P+jaHX8vUbgog=="
+      "integrity": "sha1-VNvzd+UUQKypCkzSdGANP/LYiKk="
     },
     "renderkid": {
       "version": "3.0.0",
@@ -19865,7 +19865,7 @@
     "require-directory": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
-      "integrity": "sha512-fGxEI7+wsG9xrvdjsrlmL22OMTTiHRwAMroiEeMgq8gzoLC/PQr7RsRDSTLUg/bZAZtF+TVIkHc6/4RIKrui+Q=="
+      "integrity": "sha1-jGStX9MNqxyXbiNE/+f3kqam30I="
     },
     "require-from-string": {
       "version": "2.0.2",
@@ -20200,7 +20200,7 @@
     "select-hose": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/select-hose/-/select-hose-2.0.0.tgz",
-      "integrity": "sha512-mEugaLK+YfkijB4fx0e6kImuJdCIt2LxCRcbEYPqRGCs4F2ogyfZU5IAZRdjCP8JPq2AtdNoC/Dux63d9Kiryg=="
+      "integrity": "sha1-Yl2GWPhlr0Psliv8N2o3NZpJlMo="
     },
     "selfsigned": {
       "version": "2.4.1",
@@ -20269,7 +20269,7 @@
     "serve-index": {
       "version": "1.9.1",
       "resolved": "https://registry.npmjs.org/serve-index/-/serve-index-1.9.1.tgz",
-      "integrity": "sha512-pXHfKNP4qujrtteMrSBb0rc8HJ9Ms/GrXwcUtUtD5s4ewDJI8bT3Cz2zTVRMKtri49pLx2e0Ya8ziP5Ya2pZZw==",
+      "integrity": "sha1-03aNabHn2C5c4FD/9bRTvqEqkjk=",
       "requires": {
         "accepts": "~1.3.4",
         "batch": "0.6.1",
@@ -20296,7 +20296,7 @@
         "http-errors": {
           "version": "1.6.3",
           "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
-          "integrity": "sha512-lks+lVC8dgGyh97jxvxeYTWQFvh4uw4yC12gVl63Cg30sjPX4wuGcdkICVXDAESr6OJGjqGA8Iz5mkeN6zlD7A==",
+          "integrity": "sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=",
           "requires": {
             "depd": "~1.1.2",
             "inherits": "2.0.3",
@@ -20307,12 +20307,12 @@
         "inherits": {
           "version": "2.0.3",
           "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
-          "integrity": "sha512-x00IRNXNy63jwGkJmzPigoySHbaqpNuzKbBOmzK+g2OdZpQ9w+sxCN+VSB3ja7IAge2OP2qpfxTjeNcyjmW1uw=="
+          "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4="
         },
         "ms": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A=="
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
         },
         "setprototypeof": {
           "version": "1.1.0",
@@ -20544,7 +20544,7 @@
     "sprintf-js": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
-      "integrity": "sha512-D9cPgkvLlV3t3IzL0D0YLvGA9Ahk4PcvVwUbN0dSGr1aP0Nrt4AEnTUbuGvquEC0mA64Gqt1fzirlRs5ibXx8g=="
+      "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw="
     },
     "stable": {
       "version": "0.1.8",
@@ -20855,7 +20855,7 @@
         "color-name": {
           "version": "1.1.3",
           "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
-          "integrity": "sha512-72fSenhMw2HZMTVHeCA9KCmpEIbzWiQsjN+BHcBbS9vr1mtt+vJjPdksIBNUmKAW8TFUDPJK5SUU3QhE9NEXDw=="
+          "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU="
         },
         "css-select": {
           "version": "2.1.0",
@@ -20885,7 +20885,7 @@
         "has-flag": {
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
-          "integrity": "sha512-sKJf1+ceQBr4SMkvQnBDNDtf4TXpVhVGateu0t918bl30FnbE2m4vNLX+VWe/dpjlb+HugGYzW7uQXH98HPEYw=="
+          "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0="
         },
         "minimist": {
           "version": "1.2.8",
@@ -21089,7 +21089,7 @@
     "text-table": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/text-table/-/text-table-0.2.0.tgz",
-      "integrity": "sha512-N+8UisAXDGk8PFXP4HAzVR9nbfmVJ3zYLAWiTIoqC5v5isinhr+r5uaO8+7r3BMfuNIufIsA7RdpVgacC2cSpw=="
+      "integrity": "sha1-f17oI66AUgfACvLfSoTsP8+lcLQ="
     },
     "thenify": {
       "version": "3.3.1",
@@ -21176,7 +21176,7 @@
     "toggle-selection": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/toggle-selection/-/toggle-selection-1.0.6.tgz",
-      "integrity": "sha512-BiZS+C1OS8g/q2RRbJmy59xpyghNBqrr6k5L/uKBGRsTfxmu3ffiRnd8mlGPUVayg8pvfi5urfnu8TU7DVOkLQ=="
+      "integrity": "sha1-bkWxJj8gF/oKzH2J14sVuL932jI="
     },
     "toidentifier": {
       "version": "1.0.1",
@@ -21358,12 +21358,12 @@
     "unpipe": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
-      "integrity": "sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ=="
+      "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
     },
     "unquote": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/unquote/-/unquote-1.1.1.tgz",
-      "integrity": "sha512-vRCqFv6UhXpWxZPyGDh/F3ZpNv8/qo7w6iufLpQg9aKnQ71qM4B5KiI7Mia9COcjEhrO9LueHpMYjYzsWH3OIg=="
+      "integrity": "sha1-j97XMk7G6IoP+LkF58CYzcCG1UQ="
     },
     "untildify": {
       "version": "4.0.0",
@@ -21420,12 +21420,12 @@
     "utila": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/utila/-/utila-0.4.0.tgz",
-      "integrity": "sha512-Z0DbgELS9/L/75wZbro8xAnT50pBVFQZ+hUEueGDU5FN51YSCYM+jdxsfCiHjwNP/4LCDD0i/graKpeBnOXKRA=="
+      "integrity": "sha1-ihagXURWV6Oupe7MWxKk+lN5dyw="
     },
     "utils-merge": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
-      "integrity": "sha512-pMZTvIkT1d+TFGvDOqodOclx0QWkkgi6Tdoa8gC8ffGAAqz9pzPTZWAybbsHHoED/ztMtkv/VoYTYyShUn81hA=="
+      "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
     },
     "v8-to-istanbul": {
       "version": "8.1.1",
@@ -21457,7 +21457,7 @@
     "vary": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
-      "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg=="
+      "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
     },
     "vizceral": {
       "version": "4.9.0",
@@ -21526,7 +21526,7 @@
     "wcwidth": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/wcwidth/-/wcwidth-1.0.1.tgz",
-      "integrity": "sha512-XHPEwS0q6TaxcvG85+8EYkbiCux2XtWG2mkc47Ng2A77BQu9+DqIOJldST4HgPkuea7dvKSj5VgX3P1d4rW8Tg==",
+      "integrity": "sha1-8LDc+RW8X/FSivrbLA4XtTLaL+g=",
       "requires": {
         "defaults": "^1.0.3"
       }
diff --git a/zipkin-server/pom.xml b/zipkin-server/pom.xml
index 13433bbc68b..cdedfd3d410 100644
--- a/zipkin-server/pom.xml
+++ b/zipkin-server/pom.xml
@@ -28,8 +28,6 @@
 
   <properties>
     <main.basedir>${project.basedir}/..</main.basedir>
-    <main.java.version>1.8</main.java.version>
-    <main.signature.artifact>java18</main.signature.artifact>
 
     <!-- Sometimes we need to override Armeria's Brave version -->
     <brave.version>5.16.0</brave.version>
diff --git a/zipkin-storage/pom.xml b/zipkin-storage/pom.xml
index e95bbcebb0a..01b11add951 100644
--- a/zipkin-storage/pom.xml
+++ b/zipkin-storage/pom.xml
@@ -30,8 +30,6 @@
 
   <properties>
     <main.basedir>${project.basedir}/..</main.basedir>
-    <main.java.version>1.8</main.java.version>
-    <main.signature.artifact>java18</main.signature.artifact>
   </properties>
 
   <modules>
diff --git a/zipkin-tests/pom.xml b/zipkin-tests/pom.xml
index 21bf53c2843..4de1b8e44a7 100644
--- a/zipkin-tests/pom.xml
+++ b/zipkin-tests/pom.xml
@@ -29,8 +29,6 @@
 
   <properties>
     <main.basedir>${project.basedir}/..</main.basedir>
-    <main.java.version>1.8</main.java.version>
-    <main.signature.artifact>java18</main.signature.artifact>
   </properties>
 
   <dependencies>
diff --git a/zipkin/pom.xml b/zipkin/pom.xml
index dfeadbb4649..4f5277498b1 100644
--- a/zipkin/pom.xml
+++ b/zipkin/pom.xml
@@ -39,10 +39,10 @@
 
     <main.basedir>${project.basedir}/..</main.basedir>
 
-    <!-- CI should run the "release" profile during tests to ensure no 1.8
+    <!-- Note: CI should run the "release" profile during tests to ensure no 1.8
          features are in use. -->
-    <main.java.version>1.8</main.java.version>
-    <main.signature.artifact>java18</main.signature.artifact>
+    <!-- The core jar needs to be Java 1.6 bytecode -->
+    <main.signature.artifact>java16</main.signature.artifact>
   </properties>
 
   <dependencies>
@@ -128,7 +128,6 @@
       <properties>
         <!-- The core jar needs to be Java 1.6 bytecode -->
         <main.java.version>1.6</main.java.version>
-        <main.signature.artifact>java16</main.signature.artifact>
       </properties>
       <build>
         <plugins>