diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index a533069..be02b49 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -29,7 +29,7 @@ jobs:
       matrix: ${{ fromJSON(needs.generateMatrix.outputs.matrix) }}
     steps:
       - name: Checkout base repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up Haskell
         id: setup-haskell
@@ -81,7 +81,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout base repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Install libsodium-dev on ubuntu
         run: |
diff --git a/.github/workflows/ghc-nightly.yaml b/.github/workflows/ghc-nightly.yaml
index 7284d33..1ecd97f 100644
--- a/.github/workflows/ghc-nightly.yaml
+++ b/.github/workflows/ghc-nightly.yaml
@@ -11,7 +11,7 @@ jobs:
     name: Tests on GHC Nightly
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - uses: haskell/ghcup-setup@v1
 
diff --git a/.github/workflows/linting.yml b/.github/workflows/linting.yml
index c510f69..b131524 100644
--- a/.github/workflows/linting.yml
+++ b/.github/workflows/linting.yml
@@ -9,7 +9,7 @@ jobs:
   fourmolu:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - uses: haskell-actions/run-fourmolu@v11
       with:
@@ -21,7 +21,7 @@ jobs:
   hlint:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - name: 'Set up HLint'
       uses: haskell-actions/hlint-setup@v2