diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 989d7f9..c1a9014 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,6 +1,10 @@
 name: build
 
-on: [push, pull_request]
+on:
+  push:
+  schedule:
+    - cron: '20 5 * * 1'
+  workflow_dispatch:
 
 jobs:
   test:
@@ -8,17 +12,51 @@ jobs:
     runs-on: ubuntu-20.04
 
     strategy:
+      fail-fast: false
       matrix:
         ruby-version:
-          - 3.0.0
-          - 2.7.2
-          - 2.6.6
-          - 2.5.8
-          - 2.4.10
-          - 2.3.8
-          - 2.2.10
+          - 3.2
+          - 3.1
+          - 3.0
+          - 2.7
+          - 2.6
+          - 2.5
+          - 2.4
+          - 2.3
+          - 2.2
+          - jruby-9.4.3.0
           - jruby-9.2.14.0
-          - truffleruby-21.0.0
+          - truffleruby-23.0.0
+          - truffleruby-22.1.0
+        rack-version:
+          - # default Rack version
+
+        include:
+          - ruby-version: 2.7
+            rack-version: ~>1.2.0
+          - ruby-version: 2.7
+            rack-version: ~>1.2
+          - ruby-version: 2.7
+            rack-version: ~>2.0.0
+          - ruby-version: 2.7
+            rack-version: ~>2.0
+          - ruby-version: 2.7
+            rack-version: ~>3.0
+          - ruby-version: 2.7
+            rack-version: ~>3.0.0
+
+          - ruby-version: 3.2
+            rack-version: ~>1.2.0
+          - ruby-version: 3.2
+            rack-version: ~>1.2
+          - ruby-version: 3.2
+            rack-version: ~>2.0.0
+          - ruby-version: 3.2
+            rack-version: ~>2.0
+          - ruby-version: 3.2
+            rack-version: ~>3.0
+          - ruby-version: 3.2
+            rack-version: ~>3.0.0
 
     steps:
       - uses: actions/checkout@v2
@@ -29,5 +67,9 @@ jobs:
           ruby-version: ${{ matrix.ruby-version }}
           bundler-cache: true
 
+      - name: Specify "rack" gem version ${{ matrix.rack-version }}
+        if: ${{ matrix.rack-version }}
+        run: bundle add rack --version="${{ matrix.rack-version }}"
+
       - name: Run tests
         run: bundle exec rspec --format documentation
diff --git a/lib/logtail-rack/version.rb b/lib/logtail-rack/version.rb
index 085da5a..913b512 100755
--- a/lib/logtail-rack/version.rb
+++ b/lib/logtail-rack/version.rb
@@ -1,7 +1,7 @@
 module Logtail
   module Integrations
     module Rack
-      VERSION = "0.2.0"
+      VERSION = "0.2.1"
     end
   end
 end
diff --git a/logtail-ruby-rack.gemspec b/logtail-ruby-rack.gemspec
index 1adaf36..51a9680 100644
--- a/logtail-ruby-rack.gemspec
+++ b/logtail-ruby-rack.gemspec
@@ -28,7 +28,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_dependency "logtail", "~> 0.1"
-  spec.add_runtime_dependency "rack", ">= 1.2", "< 3.0"
+  spec.add_runtime_dependency "rack", ">= 1.2", "< 4.0"
 
   spec.add_development_dependency "bundler", ">= 0.0"
   spec.add_development_dependency "rake", "~> 10.0"