diff --git a/.github/workflows/ci-cd.yml b/.github/workflows/ci-cd.yml
index 6c10654..9f93ae7 100644
--- a/.github/workflows/ci-cd.yml
+++ b/.github/workflows/ci-cd.yml
@@ -15,7 +15,7 @@ jobs:
       packages: write 
       issues: write # Required to add comments to released issues
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
 
       - name: "Determine release version"
         uses: docker://ghcr.io/codfish/semantic-release-action:v1.9.0
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5087019..520d3f6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
 
       - name: Set tag var
         id: vars