diff --git a/docker/haproxy-statsd/Dockerfile b/docker/haproxy-statsd/Dockerfile
index 8912709cf7..29b0fff5c1 100644
--- a/docker/haproxy-statsd/Dockerfile
+++ b/docker/haproxy-statsd/Dockerfile
@@ -15,7 +15,7 @@
 
 # Thu Aug  7 07:33:54 PM UTC 2025 - trigger rebuild
 
-FROM quay.io/opendevorg/python-base:3.12-bookworm
+FROM quay.io/opendevorg/python-base:3.12-trixie
 
 COPY haproxy-statsd.py /usr/local/bin
 RUN pip install statsd
diff --git a/docker/zookeeper-statsd/Dockerfile b/docker/zookeeper-statsd/Dockerfile
index 28c13e7086..70bf787eba 100644
--- a/docker/zookeeper-statsd/Dockerfile
+++ b/docker/zookeeper-statsd/Dockerfile
@@ -16,7 +16,7 @@
 
 # Thu Aug  7 07:33:54 PM UTC 2025 - trigger rebuild
 
-FROM quay.io/opendevorg/python-base:3.12-bookworm
+FROM quay.io/opendevorg/python-base:3.12-trixie
 
 COPY zookeeper-statsd.py /usr/local/bin
 RUN pip install statsd
diff --git a/zuul.d/docker-images/haproxy.yaml b/zuul.d/docker-images/haproxy.yaml
index 3cdc7e552f..182a429ce5 100644
--- a/zuul.d/docker-images/haproxy.yaml
+++ b/zuul.d/docker-images/haproxy.yaml
@@ -3,7 +3,7 @@
     name: system-config-build-image-haproxy-statsd
     description: Build a haproxy-statsd image.
     parent: system-config-build-container-image
-    requires: python-base-3.12-bookworm-container-image
+    requires: python-base-3.12-trixie-container-image
     provides: haproxy-statsd-container-image
     vars: &haproxy-statsd_vars
       promote_container_image_job: system-config-upload-image-haproxy-statsd
@@ -24,7 +24,7 @@
     name: system-config-upload-image-haproxy-statsd
     description: Build and upload a haproxy-statsd image.
     parent: system-config-upload-container-image
-    requires: python-base-3.12-bookworm-container-image
+    requires: python-base-3.12-trixie-container-image
     provides: haproxy-statsd-container-image
     vars: *haproxy-statsd_vars
     files: *haproxy-statsd_files
diff --git a/zuul.d/docker-images/zookeeper-statsd.yaml b/zuul.d/docker-images/zookeeper-statsd.yaml
index c2cf950353..2de33029dc 100644
--- a/zuul.d/docker-images/zookeeper-statsd.yaml
+++ b/zuul.d/docker-images/zookeeper-statsd.yaml
@@ -3,7 +3,7 @@
     name: system-config-build-image-zookeeper-statsd
     description: Build a zookeeper-statsd image.
     parent: system-config-build-container-image
-    requires: python-base-3.12-bookworm-container-image
+    requires: python-base-3.12-trixie-container-image
     vars: &zookeeper-statsd_vars
       promote_container_image_job: system-config-upload-image-zookeeper-statsd
       container_command: docker
@@ -22,7 +22,7 @@
     name: system-config-upload-image-zookeeper-statsd
     description: Build and upload a zookeeper-statsd image.
     parent: system-config-upload-container-image
-    requires: python-base-3.12-bookworm-container-image
+    requires: python-base-3.12-trixie-container-image
     vars: *zookeeper-statsd_vars
     files: *zookeeper-statsd_files
 
diff --git a/zuul.d/project.yaml b/zuul.d/project.yaml
index 457ca16764..7e4281cae1 100644
--- a/zuul.d/project.yaml
+++ b/zuul.d/project.yaml
@@ -108,12 +108,12 @@
         - system-config-build-image-haproxy-statsd:
             dependencies:
               - name: opendev-buildset-registry
-              - name: system-config-build-image-python-base-3.12-bookworm
+              - name: system-config-build-image-python-base-3.12-trixie
                 soft: true
         - system-config-build-image-zookeeper-statsd:
             dependencies:
               - name: opendev-buildset-registry
-              - name: system-config-build-image-python-base-3.12-bookworm
+              - name: system-config-build-image-python-base-3.12-trixie
                 soft: true
         - system-config-build-image-accessbot:
             dependencies:
@@ -251,12 +251,12 @@
         - system-config-upload-image-haproxy-statsd:
             dependencies:
               - name: opendev-buildset-registry
-              - name: system-config-upload-image-python-base-3.12-bookworm
+              - name: system-config-upload-image-python-base-3.12-trixie
                 soft: true
         - system-config-upload-image-zookeeper-statsd:
             dependencies:
               - name: opendev-buildset-registry
-              - name: system-config-upload-image-python-base-3.12-bookworm
+              - name: system-config-upload-image-python-base-3.12-trixie
                 soft: true
         - system-config-upload-image-accessbot:
             dependencies: