diff --git a/.github/workflows/flox-publish.yml b/.github/workflows/flox-publish.yml
index d4fcea2..130e9b9 100644
--- a/.github/workflows/flox-publish.yml
+++ b/.github/workflows/flox-publish.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ${{ matrix.runner }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           fetch-depth: 0
       - name: Install Flox
diff --git a/.github/workflows/go-releaser.yml b/.github/workflows/go-releaser.yml
index ff365e2..28d1ae8 100644
--- a/.github/workflows/go-releaser.yml
+++ b/.github/workflows/go-releaser.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           fetch-depth: 0
       - name: Set up Go
diff --git a/.github/workflows/golangci-lint.yml b/.github/workflows/golangci-lint.yml
index 7a11a04..a6066b8 100644
--- a/.github/workflows/golangci-lint.yml
+++ b/.github/workflows/golangci-lint.yml
@@ -13,7 +13,7 @@ jobs:
     name: lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - uses: actions/setup-go@v7
         with:
           go-version-file: go.mod
diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 2e6f31c..1b7b576 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: Checkout source
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Set up Go
         uses: actions/setup-go@v7