diff --git a/Package.resolved b/Package.resolved
index f839bb9..3f47873 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -6,8 +6,8 @@
         "repositoryURL": "https://github.com/mxcl/PromiseKit",
         "state": {
           "branch": null,
-          "revision": "aea48ea1855f5d82e2dffa6027afce3aab8f3dd7",
-          "version": "6.13.3"
+          "revision": "6fcc08077124e9747f1ec7bd8bb78f5caffe5a79",
+          "version": "8.1.2"
         }
       },
       {
diff --git a/Package.swift b/Package.swift
index 780b825..29c6268 100644
--- a/Package.swift
+++ b/Package.swift
@@ -24,7 +24,7 @@ public let package = Package(
         ),
         .package(
             url: "https://github.com/mxcl/PromiseKit",
-            from: "6.13.2"
+            from: "8.1.1"
         ),
     ],
     targets: [