diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c55fdea..6cc9617 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,7 +27,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
       -
         name: Set up Docker Buildx
         id: buildx
@@ -51,7 +51,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
       -
         name: Set up Docker Buildx 1
         id: buildx1
@@ -82,7 +82,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
       -
         name: Stop docker
         run: |
@@ -110,7 +110,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
       -
         name: Create Dockerfile
         run: |
@@ -138,7 +138,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
       -
         name: Set up Docker Buildx
         uses: ./
@@ -160,7 +160,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
       -
         name: Set up Docker Buildx
         uses: ./
@@ -183,7 +183,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
       -
         name: Set up Docker Buildx
         uses: ./
@@ -196,7 +196,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
       -
         name: Set up Docker Buildx
         uses: ./
@@ -229,7 +229,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
       -
         name: Create context
         run: |
@@ -251,7 +251,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
       -
         name: Create buildkitd conf
         run: |
@@ -293,7 +293,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
       -
         name: Set up QEMU
         uses: docker/setup-qemu-action@v1
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 2bbdbda..3506c8d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,7 +16,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
       -
         name: Validate
         uses: docker/bake-action@v1