diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 55a7747..b928989 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
         os: [ubuntu-latest, macos-latest, windows-latest]
         node-version: [20.x, 22.x]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           # Smoke test reads this repo's own commit history; default shallow clone gives only 1 commit.
           fetch-depth: 0
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 83e7a39..0469925 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,7 +21,7 @@ jobs:
       HAS_VSCE_PAT: ${{ secrets.VSCE_PAT != '' }}
       HAS_OVSX_PAT: ${{ secrets.OVSX_PAT != '' }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0