diff --git a/.github/workflows/ci_coverage.yml b/.github/workflows/ci_coverage.yml
index 0c1af43..19374c6 100644
--- a/.github/workflows/ci_coverage.yml
+++ b/.github/workflows/ci_coverage.yml
@@ -39,7 +39,7 @@ jobs:
       image: ghcr.io/seqan/${{ matrix.compiler }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/ci_documentation.yml b/.github/workflows/ci_documentation.yml
index 3261f98..4ee1c26 100644
--- a/.github/workflows/ci_documentation.yml
+++ b/.github/workflows/ci_documentation.yml
@@ -35,12 +35,12 @@ jobs:
     steps:
       - name: Checkout
         if: github.event_name != 'pull_request_target'
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       # pull_request_target does not checkout the merge commit by default
       - name: Checkout
         if: github.event_name == 'pull_request_target'
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           ref: "refs/pull/${{ github.event.number }}/merge"
 
diff --git a/.github/workflows/ci_install.yml b/.github/workflows/ci_install.yml
index b69b5bb..df86e1e 100644
--- a/.github/workflows/ci_install.yml
+++ b/.github/workflows/ci_install.yml
@@ -40,7 +40,7 @@ jobs:
       options: --privileged
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           path: needle
 
diff --git a/.github/workflows/ci_license.yml b/.github/workflows/ci_license.yml
index b7e364d..151c43d 100644
--- a/.github/workflows/ci_license.yml
+++ b/.github/workflows/ci_license.yml
@@ -28,7 +28,7 @@ jobs:
     if: github.repository_owner == 'seqan' || github.event_name == 'workflow_dispatch' || github.event.label.name == 'lint'
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: REUSE Compliance Check
         uses: fsfe/reuse-action@v5
diff --git a/.github/workflows/ci_linux.yml b/.github/workflows/ci_linux.yml
index 3f03285..c613fdf 100644
--- a/.github/workflows/ci_linux.yml
+++ b/.github/workflows/ci_linux.yml
@@ -39,7 +39,7 @@ jobs:
       image: ghcr.io/seqan/${{ matrix.compiler }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup cache
         uses: seqan/actions/setup-actions-cache@main
diff --git a/.github/workflows/ci_macos.yml b/.github/workflows/ci_macos.yml
index 5a811e0..142124a 100644
--- a/.github/workflows/ci_macos.yml
+++ b/.github/workflows/ci_macos.yml
@@ -37,7 +37,7 @@ jobs:
         compiler: ["clang-latest", "clang-second-latest", "clang-third-latest", "gcc-latest", "gcc-second-latest", "gcc-third-latest"]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup toolchain
         uses: seqan/actions/setup-toolchain@main
diff --git a/.github/workflows/cron_codeql.yml b/.github/workflows/cron_codeql.yml
index 51966f6..381e104 100644
--- a/.github/workflows/cron_codeql.yml
+++ b/.github/workflows/cron_codeql.yml
@@ -32,7 +32,7 @@ jobs:
       image: ghcr.io/seqan/gcc-second-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v3
diff --git a/.github/workflows/cron_sanitizer.yml b/.github/workflows/cron_sanitizer.yml
index 300e84f..b10499d 100644
--- a/.github/workflows/cron_sanitizer.yml
+++ b/.github/workflows/cron_sanitizer.yml
@@ -74,7 +74,7 @@ jobs:
       image: ${{ matrix.image || '' }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup compiler
         if: contains(matrix.os, 'macos')