diff --git a/.github/workflows/ci_coverage.yml b/.github/workflows/ci_coverage.yml
index 2e942cc..07ccb34 100644
--- a/.github/workflows/ci_coverage.yml
+++ b/.github/workflows/ci_coverage.yml
@@ -34,7 +34,7 @@ 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_license.yml b/.github/workflows/ci_license.yml
index 68bf4ff..771ba38 100644
--- a/.github/workflows/ci_license.yml
+++ b/.github/workflows/ci_license.yml
@@ -25,7 +25,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: REUSE Compliance Check
         continue-on-error: false # Set to true to not fail the build in case of non-compliance.
diff --git a/.github/workflows/ci_linux.yml b/.github/workflows/ci_linux.yml
index f289d9b..72dcf4d 100644
--- a/.github/workflows/ci_linux.yml
+++ b/.github/workflows/ci_linux.yml
@@ -41,7 +41,7 @@ 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 2fecae1..dd2e73a 100644
--- a/.github/workflows/ci_macos.yml
+++ b/.github/workflows/ci_macos.yml
@@ -32,7 +32,7 @@ jobs:
         compiler: ["clang-latest", "clang-second-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/lint.yml b/.github/workflows/lint.yml
index 3388437..5ec0f48 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -24,7 +24,7 @@ jobs:
       pull-requests: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Run clang-format
         uses: DoozyX/clang-format-lint-action@v0.20