diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3467674..5f3a240 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
         - "1.22"
     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 1552de8..dc7d7f8 100644
--- a/.github/workflows/generate.yml
+++ b/.github/workflows/generate.yml
@@ -14,7 +14,7 @@ jobs:
         - "1.22"
     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 33d68cf..dac5031 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -14,7 +14,7 @@ jobs:
         - "1.22"
     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 fff71a2..bca1eb3 100644
--- a/.github/workflows/tidy.yml
+++ b/.github/workflows/tidy.yml
@@ -14,7 +14,7 @@ jobs:
         - "1.22"
     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