diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 50e6025..bfcaf6b 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -1,6 +1,9 @@
 name: Coverage
 
-on: push
+on:
+  push:
+    branches: [main]
+  pull_request:
 
 jobs:
   Coverage:
diff --git a/.github/workflows/credo.yml b/.github/workflows/credo.yml
index 40c4453..3e8cc05 100644
--- a/.github/workflows/credo.yml
+++ b/.github/workflows/credo.yml
@@ -1,6 +1,9 @@
 name: Credo
 
-on: push
+on:
+  push:
+    branches: [main]
+  pull_request:
 
 jobs:
   Credo:
diff --git a/.github/workflows/dialyzer.yml b/.github/workflows/dialyzer.yml
index 102beab..508499a 100644
--- a/.github/workflows/dialyzer.yml
+++ b/.github/workflows/dialyzer.yml
@@ -1,6 +1,9 @@
 name: Dialyzer
 
-on: push
+on:
+  push:
+    branches: [main]
+  pull_request:
 
 jobs:
   Dialyzer:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 2aa7a13..9190032 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,6 +1,9 @@
 name: Test
 
-on: push
+on:
+  push:
+    branches: [main]
+  pull_request:
 
 jobs:
   Test: