diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 60a96eec1..1f0d2cd07 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -13,7 +13,7 @@ jobs:
     name: docs
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
       - uses: actions/setup-node@v2.1.5
         with:
           node-version: 14
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 369049de6..3add8d57a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
       - name: Run linters
         uses: golangci/golangci-lint-action@v2.5.2
         with:
@@ -25,7 +25,7 @@ jobs:
       matrix:
         go: ['1.16', '1.15']
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
       - uses: actions/setup-go@v2
         with:
           go-version: ${{ matrix.go }}
@@ -54,7 +54,7 @@ jobs:
   generate:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
       - uses: actions/setup-go@v2
       - uses: actions/cache@v2.1.5
         with:
@@ -212,7 +212,7 @@ jobs:
           --health-timeout 5s
           --health-retries 5
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
       - uses: actions/setup-go@v2
       - uses: actions/cache@v2.1.5
         with:
@@ -364,7 +364,7 @@ jobs:
           --health-timeout 5s
           --health-retries 5
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
         with:
           fetch-depth: 0
       - uses: actions/setup-go@v2