diff --git a/.github/workflows/ci-workflow.yml b/.github/workflows/ci-workflow.yml
index ed62074..8379f36 100644
--- a/.github/workflows/ci-workflow.yml
+++ b/.github/workflows/ci-workflow.yml
@@ -1,6 +1,12 @@
 name: Compilation & tests
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+    - master
+  pull_request:
+    branches:
+    - master
 
 jobs:
   job_build_debug:
diff --git a/.github/workflows/e2e-tests.yml b/.github/workflows/e2e-tests.yml
index d4c9bd9..67411fd 100644
--- a/.github/workflows/e2e-tests.yml
+++ b/.github/workflows/e2e-tests.yml
@@ -1,6 +1,12 @@
 name: End-to-end tests
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+    - master
+  pull_request:
+    branches:
+    - master
 
 jobs:
   test_zemu:
diff --git a/.github/workflows/lint-workflow.yml b/.github/workflows/lint-workflow.yml
index 6d07bc9..ab0e08e 100644
--- a/.github/workflows/lint-workflow.yml
+++ b/.github/workflows/lint-workflow.yml
@@ -1,6 +1,12 @@
 name: Code style check
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+    - master
+  pull_request:
+    branches:
+    - master
 
 jobs:
   job_lint: