diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index bfb684a..f626500 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -26,7 +26,7 @@ jobs:
         os: [ubuntu-latest, macos-14]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
         with:
@@ -50,7 +50,7 @@ jobs:
         os: [ubuntu-latest, macos-13]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
         with:
@@ -61,7 +61,7 @@ jobs:
           echo "LEGEND_METADATA=$GITHUB_WORKSPACE/inputs" >> $GITHUB_ENV
 
       - name: Clone legend-metadata
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           repository: legend-exp/legend-metadata
           fetch-depth: 0
@@ -80,7 +80,7 @@ jobs:
     name: Calculate and upload test coverage
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 2
       - uses: actions/setup-python@v6