diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8e3251f..78a3b27 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
         - "1.25"
     steps:
       - name: Check out source code
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
 
       - name: Set up Go
         uses: actions/setup-go@0aaccfd150d50ccaeb58ebd88d36e91967a5f35b # v5
diff --git a/.github/workflows/generate.yml b/.github/workflows/generate.yml
index 797118f..faade61 100644
--- a/.github/workflows/generate.yml
+++ b/.github/workflows/generate.yml
@@ -19,7 +19,7 @@ jobs:
         - "1.25"
     steps:
       - name: Check out source code
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
 
       - name: Set up Go
         uses: actions/setup-go@0aaccfd150d50ccaeb58ebd88d36e91967a5f35b # v5
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index bb3c1b7..ea586f5 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -19,7 +19,7 @@ jobs:
         - "1.25"
     steps:
       - name: Check out source code
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
 
       - name: Set up Go
         uses: actions/setup-go@0aaccfd150d50ccaeb58ebd88d36e91967a5f35b # v5
diff --git a/.github/workflows/tidy.yml b/.github/workflows/tidy.yml
index d114b86..ee9c1eb 100644
--- a/.github/workflows/tidy.yml
+++ b/.github/workflows/tidy.yml
@@ -19,7 +19,7 @@ jobs:
         - "1.25"
     steps:
       - name: Check out source code
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
 
       - name: Set up Go
         uses: actions/setup-go@0aaccfd150d50ccaeb58ebd88d36e91967a5f35b # v5