diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cca852b..5e025f1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
 
       - name: Use Node ${{ matrix.node }}
         uses: actions/setup-node@v2.1.5
diff --git a/.github/workflows/publish-release.yml b/.github/workflows/publish-release.yml
index 872922d..c156242 100644
--- a/.github/workflows/publish-release.yml
+++ b/.github/workflows/publish-release.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on:  ubuntu-latest
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
         
       - name: Setup .npmrc file to publish to npm
         uses: actions/setup-node@v2.1.5