diff --git a/.github/workflows/code-quality.yaml b/.github/workflows/code-quality.yaml
index bf21d5ef..b72d49aa 100644
--- a/.github/workflows/code-quality.yaml
+++ b/.github/workflows/code-quality.yaml
@@ -8,7 +8,7 @@ jobs:
     name: codeql
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
 
       - uses: actions/setup-go@v2
         with:
diff --git a/.github/workflows/lint-test-chart.yaml b/.github/workflows/lint-test-chart.yaml
index bc4c6f1d..9dbf975b 100644
--- a/.github/workflows/lint-test-chart.yaml
+++ b/.github/workflows/lint-test-chart.yaml
@@ -9,7 +9,7 @@ jobs:
       ARGOCD_VERSION: v1.8.6
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
         with:
           fetch-depth: 0
 
@@ -62,7 +62,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
 
       - name: Run helm-docs
         uses: docker://jnorwood/helm-docs:v1.5.0
diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
index a68a6929..5f8c327b 100644
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@@ -13,7 +13,7 @@ jobs:
     name: lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v2.5.2
         with:
diff --git a/.github/workflows/release-artifacts.yaml b/.github/workflows/release-artifacts.yaml
index e70b6c87..74af88f4 100644
--- a/.github/workflows/release-artifacts.yaml
+++ b/.github/workflows/release-artifacts.yaml
@@ -16,7 +16,7 @@ jobs:
         go-version: ^1.15
 
     - name: Check out code
-      uses: actions/checkout@v2
+      uses: actions/checkout@v2.3.4
 
     - name: Get tools
       run: make tools
diff --git a/.github/workflows/release-chart.yaml b/.github/workflows/release-chart.yaml
index 55c9cf0a..5538cfb3 100644
--- a/.github/workflows/release-chart.yaml
+++ b/.github/workflows/release-chart.yaml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/shell-lint.yaml b/.github/workflows/shell-lint.yaml
index b6afd2a0..a81166a8 100644
--- a/.github/workflows/shell-lint.yaml
+++ b/.github/workflows/shell-lint.yaml
@@ -13,7 +13,7 @@ jobs:
     name: shellcheck
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
       - name: shellcheck
         run: |
           pip install shellcheck-py
diff --git a/.github/workflows/test-build.yaml b/.github/workflows/test-build.yaml
index 2d1aa3c1..83a060db 100644
--- a/.github/workflows/test-build.yaml
+++ b/.github/workflows/test-build.yaml
@@ -11,7 +11,7 @@ jobs:
     name: test-build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
 
       - uses: actions/setup-go@v2
         with: