diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index fc7da63..5aa340c 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -40,7 +40,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/publish-javadoc.yml b/.github/workflows/publish-javadoc.yml
index f6d03d3..d956026 100644
--- a/.github/workflows/publish-javadoc.yml
+++ b/.github/workflows/publish-javadoc.yml
@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up JDK 11
         uses: actions/setup-java@v4