diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 51206d7..c74ad96 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: Setup Go environment
       uses: actions/setup-go@v5
       with:
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index b323102..cb36748 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -40,7 +40,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/heroku.yml b/.github/workflows/heroku.yml
index 9e9b771..e48ddce 100644
--- a/.github/workflows/heroku.yml
+++ b/.github/workflows/heroku.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0 # fetch full clone
       - name: Install heroku CLI