diff --git a/.github/workflows/ci-additional.yml b/.github/workflows/ci-additional.yml
index 075ee50..9aaa5e7 100644
--- a/.github/workflows/ci-additional.yml
+++ b/.github/workflows/ci-additional.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repo
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Markdown link check
       uses: gaurav-nelson/github-action-markdown-link-check@v1
@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - name: Clone repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/packaging.yml b/.github/workflows/packaging.yml
index 281545c..252143b 100644
--- a/.github/workflows/packaging.yml
+++ b/.github/workflows/packaging.yml
@@ -14,7 +14,7 @@ jobs:
     name: Build & inspect package
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f6c127a..4424de2 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: Clone repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0