diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0c1c909..f0bd70a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.0
       -
         name: Get test key and passphrase
         uses: actions/github-script@v2
@@ -67,7 +67,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.0
       -
         name: Get test key and passphrase
         uses: actions/github-script@v2
diff --git a/.github/workflows/labels.yml b/.github/workflows/labels.yml
index 294c3b7..bbf152b 100644
--- a/.github/workflows/labels.yml
+++ b/.github/workflows/labels.yml
@@ -14,7 +14,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.0
       -
         name: Run Labeler
         if: success()
diff --git a/.github/workflows/pre-checkin.yml b/.github/workflows/pre-checkin.yml
index 38808c1..b306623 100644
--- a/.github/workflows/pre-checkin.yml
+++ b/.github/workflows/pre-checkin.yml
@@ -14,7 +14,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.0
       -
         name: Install
         run: yarn install
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0fd1f23..73df792 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -24,7 +24,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.0
       -
         name: Install
         run: yarn install