diff --git a/.github/workflows/codespell.yml b/.github/workflows/codespell.yml
index db0dd42..fccf981 100644
--- a/.github/workflows/codespell.yml
+++ b/.github/workflows/codespell.yml
@@ -9,7 +9,7 @@ jobs:
     name: Check for spelling errors
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: codespell-project/actions-codespell@master
         with:
           skip: ca_hashes.txt,tls_data.txt,*.pem,OPENSSL-LICENSE.txt,CREDITS.md,openssl.cnf,fedora-dirk-ipv6.diff,testssl.1
diff --git a/.github/workflows/docker-3.2.yml b/.github/workflows/docker-3.2.yml
index ab48ceb..0793008 100644
--- a/.github/workflows/docker-3.2.yml
+++ b/.github/workflows/docker-3.2.yml
@@ -22,7 +22,7 @@ jobs:
         run: echo "REPO=${GITHUB_REPOSITORY@L}" >> "${GITHUB_ENV}"
 
       - name: Source checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup QEMU
         id: qemu
diff --git a/.github/workflows/docker-3.3dev.yml b/.github/workflows/docker-3.3dev.yml
index d770a67..f9c3225 100644
--- a/.github/workflows/docker-3.3dev.yml
+++ b/.github/workflows/docker-3.3dev.yml
@@ -22,7 +22,7 @@ jobs:
         run: echo "REPO=${GITHUB_REPOSITORY@L}" >> "${GITHUB_ENV}"
 
       - name: Source checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup QEMU
         id: qemu
diff --git a/.github/workflows/unit_tests_macos.yml b/.github/workflows/unit_tests_macos.yml
index 4a66a71..280192a 100644
--- a/.github/workflows/unit_tests_macos.yml
+++ b/.github/workflows/unit_tests_macos.yml
@@ -26,7 +26,7 @@ jobs:
     name: PoC unit test on MacOS
     steps:
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up system (perl, curl is installed already)
         run: |
diff --git a/.github/workflows/unit_tests_ubuntu.yml b/.github/workflows/unit_tests_ubuntu.yml
index 9cd32b2..6f6423a 100644
--- a/.github/workflows/unit_tests_ubuntu.yml
+++ b/.github/workflows/unit_tests_ubuntu.yml
@@ -29,7 +29,7 @@ jobs:
         perl: ['5.38']
     name: Unit test on ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up perl
         uses: shogo82148/actions-setup-perl@v1