diff --git a/.github/workflows/build-cds-containers.yml b/.github/workflows/build-cds-containers.yml
index 900b1a8..d2228a3 100644
--- a/.github/workflows/build-cds-containers.yml
+++ b/.github/workflows/build-cds-containers.yml
@@ -34,7 +34,7 @@ env:
 jobs:
   # Job 1: Read version from VERSION.md
   get-version:
-    runs-on: ubuntu-latest
+    runs-on: linux-amd64-cpu4
     permissions:
       contents: read
     outputs:
@@ -53,7 +53,7 @@ jobs:
 
   # Job 2: Build and push all container images
   build-and-push-images:
-    runs-on: ubuntu-latest
+    runs-on: linux-amd64-cpu4
     permissions:
       contents: read
       packages: write  # Required to push to GHCR
@@ -139,7 +139,7 @@ jobs:
 
   # Job 3: Test using the built go-dev image
   test-go-dev-image:
-    runs-on: ubuntu-latest
+    runs-on: linux-amd64-cpu4
     permissions:
       contents: read
       packages: read
@@ -181,7 +181,7 @@ jobs:
 
   # Job 4: Test using tools container
   test-tools-image:
-    runs-on: ubuntu-latest
+    runs-on: linux-amd64-cpu4
     permissions:
       contents: read
       packages: read
@@ -219,7 +219,7 @@ jobs:
 
   # Job 5: Summary
   summary:
-    runs-on: ubuntu-latest
+    runs-on: linux-amd64-cpu4
     permissions:
       contents: read
     needs: [get-version, build-and-push-images, test-go-dev-image, test-tools-image]