diff --git a/.github/workflows/continuous_integration.yml b/.github/workflows/continuous_integration.yml
index 4c7e7f9..fd6c0ee 100644
--- a/.github/workflows/continuous_integration.yml
+++ b/.github/workflows/continuous_integration.yml
@@ -1,9 +1,6 @@
 name: Continuous Integration
 
 on:
-  push:
-    branches: [main]
-
   pull_request:
     branches: [main]
 
@@ -26,6 +23,10 @@ jobs:
   build:
     name: Ruby ${{ matrix.ruby }} on ${{ matrix.operating-system }}
 
+    if: >-
+      github.event_name == 'workflow_dispatch' ||
+      (github.event_name == 'pull_request' && !startsWith(github.event.pull_request.head.ref, 'release-please--'))
+
     runs-on: ${{ matrix.operating-system }}
     continue-on-error: true
 
@@ -35,19 +36,9 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["3.1", "3.2", "3.3", "3.4"]
+        ruby: ["3.1", "3.4"]
         operating-system: [ubuntu-latest]
         fail_on_low_coverage: [true]
-        include:
-          - ruby: "3.1"
-            operating-system: windows-latest
-            fail_on_low_coverage: false
-          - ruby: "jruby-9.4"
-            operating-system: ubuntu-latest
-            fail_on_low_coverage: false
-          - ruby: "truffleruby-24"
-            operating-system: ubuntu-latest
-            fail_on_low_coverage: false
 
     steps:
       - name: Checkout
diff --git a/.github/workflows/enforce_conventional_commits.yml b/.github/workflows/enforce_conventional_commits.yml
index a3e1a5d..8e85bdb 100644
--- a/.github/workflows/enforce_conventional_commits.yml
+++ b/.github/workflows/enforce_conventional_commits.yml
@@ -9,6 +9,10 @@ jobs:
   commit-lint:
     name: Verify Conventional Commits
 
+    if: >-
+      github.event_name == 'workflow_dispatch' ||
+      (github.event_name == 'pull_request' && !startsWith(github.event.pull_request.head.ref, 'release-please--'))
+
     runs-on: ubuntu-latest
 
     steps:
diff --git a/.github/workflows/experimental_ruby_builds.yml b/.github/workflows/experimental_ruby_builds.yml
index 233c9ff..ddb9a8b 100644
--- a/.github/workflows/experimental_ruby_builds.yml
+++ b/.github/workflows/experimental_ruby_builds.yml
@@ -1,9 +1,6 @@
 name: Experimental Ruby Builds
 
 on:
-  push:
-    branches: [main]
-
   workflow_dispatch:
 
 env:
@@ -34,19 +31,28 @@ jobs:
       matrix:
         fail_on_low_coverage: [true]
         include:
+          - ruby: "3.1"
+            operating-system: windows-latest
+            fail_on_low_coverage: false
           - ruby: head
             operating-system: ubuntu-latest
           - ruby: head
             operating-system: windows-latest
+          - ruby: "truffleruby-24"
+            operating-system: ubuntu-latest
+            fail_on_low_coverage: false
           - ruby: truffleruby-head
             operating-system: ubuntu-latest
             fail_on_low_coverage: false
-          - ruby: jruby-head
+          - ruby: "jruby-9.4"
             operating-system: ubuntu-latest
             fail_on_low_coverage: false
           - ruby: "jruby-9.4"
             operating-system: windows-latest
             fail_on_low_coverage: false
+          - ruby: jruby-head
+            operating-system: ubuntu-latest
+            fail_on_low_coverage: false
           - ruby: jruby-head
             operating-system: windows-latest
             fail_on_low_coverage: false