diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 9bf13e2a5e9..a8a0624a5a7 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -3,10 +3,10 @@ name: CI
 
 on:
   pull_request:
-    branches: [master]
+    branches: [libdd-part-1]
     types: [opened, synchronize, reopened]
   push:
-    branches: [master]
+    branches: [libdd-part-1]
   workflow_dispatch:
 
 concurrency:
diff --git a/.github/workflows/ci-docker.yml b/.github/workflows/ci-docker.yml
index fd9677092e9..41d7f3b7928 100644
--- a/.github/workflows/ci-docker.yml
+++ b/.github/workflows/ci-docker.yml
@@ -22,10 +22,10 @@ name: CI Docker
 
 on:
   pull_request:
-    branches: [master]
+    branches: [libdd-part-1]
     types: [opened, synchronize, reopened]
   push:
-    branches: [master]
+    branches: [libdd-part-1]
   workflow_dispatch:
 
 concurrency: