diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d83ef13..55ab3ad 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
   formatting:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: haskell-actions/run-ormolu@v17
       - uses: tfausak/cabal-gild-setup-action@v2
         with:
@@ -37,7 +37,7 @@ jobs:
           - 9.10.1
           - 9.12.1
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: haskell-actions/setup@v2
         id: setup-haskell
         with:
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index aa2c073..dd6b43f 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -7,7 +7,7 @@ jobs:
   publish:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: haskell-actions/setup@v2
         with:
           ghc-version: '9.6.6'