diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 92053d0..db38663 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -148,7 +148,7 @@ jobs:
           node-version: "25"
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v6.0.1
 
     - name: Install Node.js ${{ matrix.node-version }}
       shell: bash -eo pipefail -l {0}
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index b4ee279..8e5d9fd 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -41,7 +41,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v6.0.1
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index f30cb74..43d78d9 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -32,7 +32,7 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           persist-credentials: false