diff --git a/.github/workflows/service_docker-build-and-publish.yml b/.github/workflows/service_docker-build-and-publish.yml
index 9ef413b..31004b7 100644
--- a/.github/workflows/service_docker-build-and-publish.yml
+++ b/.github/workflows/service_docker-build-and-publish.yml
@@ -20,8 +20,8 @@ jobs:
     strategy:
       matrix:
         base_os:
-          - alpine:3.20
-          - debian:bookworm-slim
+          - alpine:3.22
+          - debian:trixie-slim
     steps:
       - name: Check out code.
         uses: actions/checkout@v4
diff --git a/src/Dockerfile b/src/Dockerfile
index c28b90b..f0edbdd 100644
--- a/src/Dockerfile
+++ b/src/Dockerfile
@@ -1,4 +1,4 @@
-ARG BUILD_BASE_OS_VERSION=alpine:3.20
+ARG BUILD_BASE_OS_VERSION=alpine:3.22
 
 FROM ${BUILD_BASE_OS_VERSION}
 ARG BUILD_GITHUB_CLI_VERSION=2.60.0