diff --git a/.github/workflows/release-and-package.yml b/.github/workflows/release-and-package.yml
index d6907e0..0f72f38 100644
--- a/.github/workflows/release-and-package.yml
+++ b/.github/workflows/release-and-package.yml
@@ -43,7 +43,7 @@ jobs:
           mkdir -p ${{ github.workspace }}/rpmbuild/RPMS/SRPMS
 
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: source
 
diff --git a/.github/workflows/run-tests-pebble.yml b/.github/workflows/run-tests-pebble.yml
index 1d707e8..6ee9109 100644
--- a/.github/workflows/run-tests-pebble.yml
+++ b/.github/workflows/run-tests-pebble.yml
@@ -17,104 +17,104 @@ jobs:
   test-alpine:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - name: Build the docker-compose stack
-        run: docker-compose up -d --build
+      - uses: actions/checkout@v4
+      - name: Build the docker compose stack
+        run: docker compose up -d --build
       - name: Run test suite on Alpine
         run: test/run-test.sh alpine
   test-bash-4-0:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - name: Build the docker-compose stack
-        run: docker-compose up -d --build
+      - uses: actions/checkout@v4
+      - name: Build the docker compose stack
+        run: docker compose up -d --build
       - name: Run test suite on Alpine using Bash 4.0
         run: test/run-test.sh bash4-0
   test-bash-4-2:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - name: Build the docker-compose stack
-        run: docker-compose up -d --build
+      - uses: actions/checkout@v4
+      - name: Build the docker compose stack
+        run: docker compose up -d --build
       - name: Run test suite on Alpine using Bash 4.2
         run: test/run-test.sh bash4-2
   test-bash-5-0:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - name: Build the docker-compose stack
-        run: docker-compose up -d --build
+      - uses: actions/checkout@v4
+      - name: Build the docker compose stack
+        run: docker compose up -d --build
       - name: Run test suite on Alpine using Bash 5
         run: test/run-test.sh bash5-0
   test-centos6:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - name: Build the docker-compose stack
-        run: docker-compose up -d --build
+      - uses: actions/checkout@v4
+      - name: Build the docker compose stack
+        run: docker compose up -d --build
       - name: Run test suite on CentOS6
         run: test/run-test.sh centos6
   test-centos7:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - name: Build the docker-compose stack
-        run: docker-compose up -d --build
+      - uses: actions/checkout@v4
+      - name: Build the docker compose stack
+        run: docker compose up -d --build
       - name: Run test suite on CentOS7
         run: test/run-test.sh centos7
   test-centos8:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - name: Build the docker-compose stack
-        run: docker-compose up -d --build
+      - uses: actions/checkout@v4
+      - name: Build the docker compose stack
+        run: docker compose up -d --build
       - name: Run test suite on CentOS8
         run: test/run-test.sh centos8
   test-debian:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - name: Build the docker-compose stack
-        run: docker-compose up -d --build
+      - uses: actions/checkout@v4
+      - name: Build the docker compose stack
+        run: docker compose up -d --build
       - name: Run test suite on Debian
         run: test/run-test.sh debian
   test-rockylinux8:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - name: Build the docker-compose stack
-        run: docker-compose up -d --build
+      - uses: actions/checkout@v4
+      - name: Build the docker compose stack
+        run: docker compose up -d --build
       - name: Run test suite on RockyLinux8
         run: test/run-test.sh rockylinux8
   test-ubuntu:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - name: Build the docker-compose stack
-        run: docker-compose up -d --build
+      - uses: actions/checkout@v4
+      - name: Build the docker compose stack
+        run: docker compose up -d --build
       - name: Run test suite on Ubuntu
         run: test/run-test.sh ubuntu
   test-ubuntu14:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - name: Build the docker-compose stack
-        run: docker-compose up -d --build
+      - uses: actions/checkout@v4
+      - name: Build the docker compose stack
+        run: docker compose up -d --build
       - name: Run test suite on Ubuntu14
         run: test/run-test.sh ubuntu14
   test-ubuntu16:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - name: Build the docker-compose stack
-        run: docker-compose up -d --build
+      - uses: actions/checkout@v4
+      - name: Build the docker compose stack
+        run: docker compose up -d --build
       - name: Run test suite on Ubuntu16
         run: test/run-test.sh ubuntu16
   test-ubuntu18:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - name: Build the docker-compose stack
-        run: docker-compose up -d --build
+      - uses: actions/checkout@v4
+      - name: Build the docker compose stack
+        run: docker compose up -d --build
       - name: Run test suite on Ubuntu18
         run: test/run-test.sh ubuntu18
diff --git a/.github/workflows/run-tests-staging-acmedns.yml b/.github/workflows/run-tests-staging-acmedns.yml
index fd4897d..17e6810 100644
--- a/.github/workflows/run-tests-staging-acmedns.yml
+++ b/.github/workflows/run-tests-staging-acmedns.yml
@@ -20,8 +20,8 @@ jobs:
   test-ubuntu-acmedns:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - name: Build the docker-compose stack
-        run: docker-compose up -d --build
+      - uses: actions/checkout@v4
+      - name: Build the docker compose stack
+        run: docker compose up -d --build
       - name: Run test suite on Ubuntu against Staging using acmedns
         run: test/run-test.sh ubuntu-acmedns
diff --git a/.github/workflows/run-tests-staging-duckdns.yml b/.github/workflows/run-tests-staging-duckdns.yml
index 4bf0caf..ae31c4e 100644
--- a/.github/workflows/run-tests-staging-duckdns.yml
+++ b/.github/workflows/run-tests-staging-duckdns.yml
@@ -9,9 +9,9 @@ jobs:
   test-centos7-duckdns:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - name: Build the docker-compose stack
-        run: docker-compose up -d --build
+      - uses: actions/checkout@v4
+      - name: Build the docker compose stack
+        run: docker compose up -d --build
       - name: Run test suite on CentOS7 against Staging using DuckDNS
         run: test/run-test.sh centos7-duckdns
   test-ubuntu-duckdns:
@@ -19,8 +19,8 @@ jobs:
     if: always()
     needs: test-centos7-duckdns
     steps:
-      - uses: actions/checkout@v3
-      - name: Build the docker-compose stack
-        run: docker-compose up -d --build
+      - uses: actions/checkout@v4
+      - name: Build the docker compose stack
+        run: docker compose up -d --build
       - name: Run test suite on Ubuntu against Staging using DuckDNS
         run: test/run-test.sh ubuntu-duckdns
diff --git a/.github/workflows/run-tests-staging-dynu.yml b/.github/workflows/run-tests-staging-dynu.yml
index 8cc147e..dd21551 100644
--- a/.github/workflows/run-tests-staging-dynu.yml
+++ b/.github/workflows/run-tests-staging-dynu.yml
@@ -9,9 +9,9 @@ jobs:
   test-centos7-dynu:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - name: Build the docker-compose stack
-        run: docker-compose up -d --build
+      - uses: actions/checkout@v4
+      - name: Build the docker compose stack
+        run: docker compose up -d --build
       - name: Run test suite on CentOS7 against Staging using Dynu
         run: test/run-test.sh centos7-dynu
   test-ubuntu-dynu:
@@ -19,8 +19,8 @@ jobs:
     if: always()
     needs: test-centos7-dynu
     steps:
-      - uses: actions/checkout@v3
-      - name: Build the docker-compose stack
-        run: docker-compose up -d --build
+      - uses: actions/checkout@v4
+      - name: Build the docker compose stack
+        run: docker compose up -d --build
       - name: Run test suite on Ubuntu against Staging using Dynu
         run: test/run-test.sh ubuntu-dynu
diff --git a/.github/workflows/shellcheck.yml b/.github/workflows/shellcheck.yml
index e755b4e..e7f251c 100644
--- a/.github/workflows/shellcheck.yml
+++ b/.github/workflows/shellcheck.yml
@@ -17,7 +17,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Lint check
         uses: azohra/shell-linter@latest
         with: