diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..52ded59
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,7 @@
+version: 2
+updates:
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: daily
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 074d665..b2edbce 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,27 +17,27 @@ jobs:
 
     steps:
       - name: Install Crystal
-        uses: oprypin/install-crystal@v1
+        uses: crystal-lang/install-crystal@v1
         with:
           crystal: ${{ matrix.crystal }}
 
       - name: Download source
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Install dependencies
         run: shards install
-        env:
-          SHARDS_OPTS: --ignore-crystal-version
 
       - name: Run specs
-        run: |
-          crystal spec
-          crystal spec --no-debug
+        run: crystal spec
+
+      - name: Run specs (no-debug)
+        run: crystal spec --no-debug
 
       - name: Run specs (release)
-        run: |
-          crystal spec --release
-          crystal spec --release --no-debug
+        run: crystal spec --release
+
+      - name: Run specs (release, no-debug)
+        run: crystal spec --release --no-debug
 
       - name: Build crash handler
         run: shards build crash_handler
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 111a388..ded57f7 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -4,52 +4,33 @@ on:
   push:
     branches: [master]
 
+permissions:
+  contents: write
+
 jobs:
-  build:
+  build-and-deploy:
     runs-on: ubuntu-latest
     steps:
       - name: Inject slug/short variables
-        uses: rlespinasse/github-slug-action@v3.x
+        uses: rlespinasse/github-slug-action@v4
 
       - name: Install Crystal
-        uses: oprypin/install-crystal@v1
+        uses: crystal-lang/install-crystal@v1
 
       - name: Download source
-        uses: actions/checkout@v2
-        with:
-          persist-credentials: false
+        uses: actions/checkout@v3
 
       - name: Install dependencies
         run: shards install
-        env:
-          SHARDS_OPTS: --ignore-crystal-version
 
       - name: Build docs
-        run: |
-          sed -i -e 's:<.*>::g' README.md
-          crystal docs src/raven.cr --project-version="${{ env.GITHUB_REF_SLUG }}" --source-refname="${{ env.GITHUB_SHA_SHORT }}"
-
-      - name: Upload artifacts
-        uses: actions/upload-artifact@v2
-        with:
-          name: docs
-          path: docs
-
-  deploy:
-    needs: build
-    runs-on: ubuntu-latest
-    steps:
-      - name: Download artifacts
-        uses: actions/download-artifact@v2
-        with:
-          name: docs
-          path: docs
+        run: crystal docs src/raven.cr --project-version="${{ env.GITHUB_REF_SLUG }}" --source-refname="${{ env.GITHUB_SHA_SHORT }}"
 
       - name: Deploy docs 🚀
-        uses: JamesIves/github-pages-deploy-action@3.7.1
+        uses: JamesIves/github-pages-deploy-action@v4
         with:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          BRANCH: gh-pages
-          FOLDER: docs
-          CLEAN: true
-          CLEAN_EXCLUDE: '["img"]'
+          branch: gh-pages
+          folder: docs
+          clean: true
+          clean-exclude: |
+            img
diff --git a/shard.yml b/shard.yml
index a38506a..9acafac 100644
--- a/shard.yml
+++ b/shard.yml
@@ -1,5 +1,5 @@
 name: raven
-version: 1.9.2
+version: 1.9.3
 
 authors:
   - Sijawusz Pur Rahnama <sija@sija.pl>
@@ -15,15 +15,15 @@ dependencies:
 development_dependencies:
   timecop:
     github: crystal-community/timecop.cr
-    version: ~> 0.4.0
+    version: ~> 0.5.0
   ameba:
     github: crystal-ameba/ameba
-    version: ~> 1.0.0
+    version: ~> 1.4.0
 
 targets:
   crash_handler:
     main: src/crash_handler.cr
 
-crystal: ">= 0.35.0"
+crystal: ~> 1.6
 
 license: MIT
diff --git a/spec/raven/breadcrumb_buffer_spec.cr b/spec/raven/breadcrumb_buffer_spec.cr
index 0eb6527..aa10936 100644
--- a/spec/raven/breadcrumb_buffer_spec.cr
+++ b/spec/raven/breadcrumb_buffer_spec.cr
@@ -1,6 +1,6 @@
 require "../spec_helper"
 
-private def with_breadcrumb_buffer
+private def with_breadcrumb_buffer(&)
   breadcrumbs = Raven::BreadcrumbBuffer.new(10)
   yield breadcrumbs
 end
diff --git a/spec/raven/client_spec.cr b/spec/raven/client_spec.cr
index 8b13572..fd3a79f 100644
--- a/spec/raven/client_spec.cr
+++ b/spec/raven/client_spec.cr
@@ -10,7 +10,7 @@ private class ClientTest < Raven::Client
   end
 end
 
-private def with_client
+private def with_client(&)
   yield ClientTest.new(build_configuration)
 end
 
diff --git a/spec/raven/client_state_spec.cr b/spec/raven/client_state_spec.cr
index a8820ac..e7e3a4c 100644
--- a/spec/raven/client_state_spec.cr
+++ b/spec/raven/client_state_spec.cr
@@ -1,7 +1,7 @@
 require "../spec_helper"
 require "timecop"
 
-private def with_client_state
+private def with_client_state(&)
   yield Raven::Client::State.new
 end
 
diff --git a/spec/raven/configuration_spec.cr b/spec/raven/configuration_spec.cr
index 68006a2..cfd45dc 100644
--- a/spec/raven/configuration_spec.cr
+++ b/spec/raven/configuration_spec.cr
@@ -12,13 +12,13 @@ private class RandomSampleFail < Random::PCG32
   end
 end
 
-private def with_configuration
+private def with_configuration(&)
   with_clean_env do
     yield Raven::Configuration.new
   end
 end
 
-private def with_configuration_with_dsn
+private def with_configuration_with_dsn(&)
   with_configuration do |configuration|
     configuration.dsn = "http://12345:67890@sentry.localdomain:3000/sentry/42"
     yield configuration
diff --git a/spec/raven/event_spec.cr b/spec/raven/event_spec.cr
index e663eb5..3f77bb0 100644
--- a/spec/raven/event_spec.cr
+++ b/spec/raven/event_spec.cr
@@ -4,7 +4,7 @@ module Raven::Test
   class Exception < ::Exception; end
 end
 
-private def with_event(clear = true, **opts)
+private def with_event(clear = true, **opts, &)
   if clear
     Raven::Context.clear!
     Raven::BreadcrumbBuffer.clear!
@@ -13,7 +13,7 @@ private def with_event(clear = true, **opts)
   yield event
 end
 
-private def with_event_hash(**opts)
+private def with_event_hash(**opts, &)
   with_event(**opts) do |event|
     yield event.to_hash
   end
diff --git a/spec/raven/instance_spec.cr b/spec/raven/instance_spec.cr
index ea348bd..7a493de 100644
--- a/spec/raven/instance_spec.cr
+++ b/spec/raven/instance_spec.cr
@@ -16,7 +16,7 @@ private class InstanceTest < Raven::Instance
   end
 end
 
-private def with_instance(context = nil)
+private def with_instance(context = nil, &)
   yield InstanceTest.new(context, build_configuration)
 end
 
diff --git a/spec/raven/log_backend_spec.cr b/spec/raven/log_backend_spec.cr
index f8ba9bf..1b14830 100644
--- a/spec/raven/log_backend_spec.cr
+++ b/spec/raven/log_backend_spec.cr
@@ -15,7 +15,7 @@ private def build_logger(source = nil, **opts)
     .for(source.to_s)
 end
 
-private def with_clean_configuration
+private def with_clean_configuration(&)
   prev_configuration = Raven.instance.configuration.dup
   begin
     Raven.instance.configuration = build_configuration
diff --git a/spec/raven/processors/spec_helper.cr b/spec/raven/processors/spec_helper.cr
index 75534f5..0f76136 100644
--- a/spec/raven/processors/spec_helper.cr
+++ b/spec/raven/processors/spec_helper.cr
@@ -1,6 +1,6 @@
 require "../../spec_helper"
 
-def with_processor(klass : Raven::Processor.class)
+def with_processor(klass : Raven::Processor.class, &)
   configuration = Raven::Configuration.new
   client = Raven::Client.new(configuration)
   processor = klass.new(client)
diff --git a/spec/spec_helper.cr b/spec/spec_helper.cr
index 567c790..20d4c41 100644
--- a/spec/spec_helper.cr
+++ b/spec/spec_helper.cr
@@ -3,7 +3,7 @@ require "log/spec"
 require "../src/raven"
 
 # Make sure we reset the env in case something leaks in
-def with_clean_env
+def with_clean_env(&)
   sentry_vars = ->{ ENV.to_h.select { |key, _| key.starts_with?("SENTRY_") } }
   previous_vars = sentry_vars.call
   begin
diff --git a/src/crash_handler.cr b/src/crash_handler.cr
index 5060e3a..39f9f43 100644
--- a/src/crash_handler.cr
+++ b/src/crash_handler.cr
@@ -73,7 +73,7 @@ module Raven
       end
     end
 
-    private def capture_with_options(*args, **options)
+    private def capture_with_options(*args, **options, &)
       options = DEFAULT_OPTS.merge(options)
       capture(*args, **options) do |event|
         yield event
@@ -84,7 +84,7 @@ module Raven
       capture_with_options(*args, **options) { }
     end
 
-    private def capture_with_options(**options)
+    private def capture_with_options(**options, &)
       yield
     rescue ex : Raven::Error
       raise ex # Don't capture Raven errors
diff --git a/src/raven/breadcrumb_buffer.cr b/src/raven/breadcrumb_buffer.cr
index b676550..82b1d82 100644
--- a/src/raven/breadcrumb_buffer.cr
+++ b/src/raven/breadcrumb_buffer.cr
@@ -28,7 +28,7 @@ module Raven
       @buffer << crumb
     end
 
-    def record(**opts) : Nil
+    def record(**opts, &) : Nil
       crumb = Breadcrumb.new(**opts)
       yield crumb
       record crumb
@@ -50,7 +50,7 @@ module Raven
       members.last?
     end
 
-    def each
+    def each(&)
       members.each do |breadcrumb|
         yield breadcrumb
       end
diff --git a/src/raven/context.cr b/src/raven/context.cr
index aeb19db..ec63543 100644
--- a/src/raven/context.cr
+++ b/src/raven/context.cr
@@ -25,8 +25,13 @@ module Raven
     end
 
     class_getter runtime_context : AnyHash::JSON do
-      v = Crystal::DESCRIPTION.match /^(.+?) (\d+[^\n]+)\n+LLVM: (\d+[^\n]+)\nDefault target: (.+?)$/m
-      _, name, version = v.not_nil!
+      version_pattern = /^(.+?) (\d+[^\n]+)\n+LLVM: (\d+[^\n]+)\nDefault target: (.+?)$/m
+
+      unless match = Crystal::DESCRIPTION.match(version_pattern)
+        raise Raven::Error.new("Couldn't parse runtime version")
+      end
+
+      _, name, version, _llvm_version, _target = match
       {
         name:    name,
         version: version,
diff --git a/src/raven/instance.cr b/src/raven/instance.cr
index 592fc4c..68b8f81 100644
--- a/src/raven/instance.cr
+++ b/src/raven/instance.cr
@@ -69,7 +69,7 @@ module Raven
     end
 
     # :ditto:
-    def configure
+    def configure(&)
       yield configuration
       configure
     end
@@ -127,7 +127,7 @@ module Raven
     #   event.extra.merge! foo: "bar"
     # end
     # ```
-    def capture(obj : Exception | String, **options, &block)
+    def capture(obj : Exception | String, **options, &)
       unless configuration.capture_allowed?(obj)
         Log.debug {
           "'#{obj}' excluded from capture: #{configuration.error_messages}"
@@ -190,7 +190,7 @@ module Raven
     # NOTE: Useful in scenarios where you need to reconstruct the error
     # (usually along with a backtrace from external source), while
     # having no access to the actual Exception object.
-    def capture(klass : String, message : String, backtrace : String? = nil, **options, &block)
+    def capture(klass : String, message : String, backtrace : String? = nil, **options, &)
       formatted_message = "#{klass}: #{message}"
       capture(formatted_message, **options) do |event|
         ex = Interface::SingleException.new.tap do |iface|
@@ -219,7 +219,7 @@ module Raven
     #   MyApp.run
     # end
     # ```
-    def capture(**options, &block)
+    def capture(**options, &)
       yield
     rescue ex : Raven::Error
       raise ex # Don't capture Raven errors
diff --git a/src/raven/transports/http.cr b/src/raven/transports/http.cr
index cb0cbe6..529c2a3 100644
--- a/src/raven/transports/http.cr
+++ b/src/raven/transports/http.cr
@@ -14,6 +14,7 @@ module Raven
     private def build_client
       ssl = configuration.ssl
       ssl = configuration.scheme == "https" if ssl.nil?
+      # ameba:disable Lint/NotNil
       ::HTTP::Client.new(configuration.host.not_nil!, configuration.port, ssl).tap do |client|
         client.before_request do |request|
           request.headers["User-Agent"] = Client::USER_AGENT