diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 43367cf..35f19fa 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -5,7 +5,7 @@ stages:
     - code_quality_test
     - publish
 
-image: registry.gitlab.com/d3tn/ud3tn-docker-images/ci-python-clang:3.9-bookworm
+image: registry.gitlab.com/d3tn/ud3tn-docker-images/ci-python-clang:3.10-trixie
 
 variables:
   GIT_SUBMODULE_STRATEGY: recursive
@@ -84,22 +84,22 @@ test-nix-x86_64-linux:
 build-posix-arm64-debug:
     extends: build-posix-debug
     tags: ["arm64"]
-    image: registry.gitlab.com/d3tn/ud3tn-docker-images/ci-python-clang:3.9-bookworm-arm64
+    image: registry.gitlab.com/d3tn/ud3tn-docker-images/ci-python-clang:3.10-trixie-arm64
 
 build-posix-arm64-release:
     extends: build-posix-release
     tags: ["arm64"]
-    image: registry.gitlab.com/d3tn/ud3tn-docker-images/ci-python-clang:3.9-bookworm-arm64
+    image: registry.gitlab.com/d3tn/ud3tn-docker-images/ci-python-clang:3.10-trixie-arm64
 
 build-clang-posix-arm64-debug:
     extends: build-clang-posix-debug
     tags: ["arm64"]
-    image: registry.gitlab.com/d3tn/ud3tn-docker-images/ci-python-clang:3.9-bookworm-arm64
+    image: registry.gitlab.com/d3tn/ud3tn-docker-images/ci-python-clang:3.10-trixie-arm64
 
 build-clang-posix-arm64-release:
     extends: build-clang-posix-release
     tags: ["arm64"]
-    image: registry.gitlab.com/d3tn/ud3tn-docker-images/ci-python-clang:3.9-bookworm-arm64
+    image: registry.gitlab.com/d3tn/ud3tn-docker-images/ci-python-clang:3.10-trixie-arm64
 
 build-posix-macos-debug:
     extends: build-posix-debug
@@ -152,7 +152,7 @@ unit-test-posix-release:
 unit-test-posix-arm64:
     extends: unit-test-posix-debug
     tags: ["arm64"]
-    image: registry.gitlab.com/d3tn/ud3tn-docker-images/ci-python-clang:3.9-bookworm-arm64
+    image: registry.gitlab.com/d3tn/ud3tn-docker-images/ci-python-clang:3.10-trixie-arm64
 
 unit-test-posix-macos:
     stage: functional_test
@@ -195,9 +195,9 @@ integration-test-posix:
         - echo "Waiting for uD3TN to exit gracefully - if it doesn't, check for sanitizer warnings."
         - wait $UD3TN_PID
 
-integration-test-posix-python-3.13:
+integration-test-posix-python-3.14:
     extends: integration-test-posix
-    image: registry.gitlab.com/d3tn/ud3tn-docker-images/ci-python-clang:3.13-bookworm
+    image: registry.gitlab.com/d3tn/ud3tn-docker-images/ci-python-clang:3.14-trixie
 
 integration-test-posix-thread-sanitizer:
     stage: functional_test
@@ -264,7 +264,7 @@ integration-test-posix-release:
 integration-test-posix-arm64:
     extends: integration-test-posix
     tags: ["arm64"]
-    image: registry.gitlab.com/d3tn/ud3tn-docker-images/ci-python-clang:3.9-bookworm-arm64
+    image: registry.gitlab.com/d3tn/ud3tn-docker-images/ci-python-clang:3.10-trixie-arm64
 
 integration-test-posix-macos:
     stage: functional_test
diff --git a/test/dockerfiles/build_docker_images.sh b/test/dockerfiles/build_docker_images.sh
index fffe0b7..615375e 100755
--- a/test/dockerfiles/build_docker_images.sh
+++ b/test/dockerfiles/build_docker_images.sh
@@ -38,13 +38,13 @@ docker build . \
 
 docker build . \
     --file test/dockerfiles/ci-python-clang \
-    --build-arg IMAGE=python:3.9-bookworm \
-    --tag ci-python-clang:3.9-bookworm
+    --build-arg IMAGE=python:3.10-trixie \
+    --tag ci-python-clang:3.10-trixie
 
 docker build . \
     --file test/dockerfiles/ci-python-clang \
-    --build-arg IMAGE=python:3.13-bookworm \
-    --tag ci-python-clang:3.13-bookworm
+    --build-arg IMAGE=python:3.14-trixie \
+    --tag ci-python-clang:3.14-trixie
 
 echo "You may now push the images to the registry:"
 echo "\$ docker tag ud3tn-ion-interop:<tag> registry.gitlab.com/d3tn/ud3tn-docker-images/ion-interop:<tag>"
diff --git a/test/dockerfiles/ci-python-clang b/test/dockerfiles/ci-python-clang
index 959a020..355b5cd 100644
--- a/test/dockerfiles/ci-python-clang
+++ b/test/dockerfiles/ci-python-clang
@@ -6,7 +6,7 @@ FROM $IMAGE
 
 RUN apt-get update && \
     apt-get dist-upgrade -y && \
-    apt-get install -y clang clang-tidy-13 netcat-openbsd cppcheck valgrind sqlite3 libjansson-dev && \
+    apt-get install -y clang clang-tidy netcat-openbsd cppcheck valgrind sqlite3 libjansson-dev && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*