diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3217c3c..4e13141 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -20,7 +20,7 @@ jobs:
         run: |
           npm ci
           npm uninstall -g @angular/cli
-          npm install -g @angular/cli
+          npm install -g @angular/cli@12
       - name: Set Version
         run: sed -i "s/\[ci-version\]/${GITHUB_REF##*/}-$GITHUB_RUN_NUMBER/g" ./version.ts
       - name: Build Library