diff --git a/docker/matrix-eavesdrop/Dockerfile b/docker/matrix-eavesdrop/Dockerfile
index 1afe3f3ac3..1157d991b5 100644
--- a/docker/matrix-eavesdrop/Dockerfile
+++ b/docker/matrix-eavesdrop/Dockerfile
@@ -13,12 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM docker.io/opendevorg/python-builder:3.11-bookworm as builder
+FROM docker.io/opendevorg/python-builder:3.12-bookworm as builder
 
 COPY src /tmp/src
 RUN assemble
 
-FROM docker.io/opendevorg/python-base:3.11-bookworm as eavesdrop
+FROM docker.io/opendevorg/python-base:3.12-bookworm as eavesdrop
 
 COPY --from=builder /output/ /output
 RUN /output/install-from-bindep \
diff --git a/zuul.d/docker-images/eavesdrop.yaml b/zuul.d/docker-images/eavesdrop.yaml
index f23d881cf4..e465d1e08d 100644
--- a/zuul.d/docker-images/eavesdrop.yaml
+++ b/zuul.d/docker-images/eavesdrop.yaml
@@ -4,8 +4,8 @@
     description: Build a matrix-eavesdrop image.
     parent: system-config-build-image
     requires: &matrix-eavesdrop_requires
-      - python-base-3.11-bookworm-container-image
-      - python-builder-3.11-bookworm-container-image
+      - python-base-3.12-bookworm-container-image
+      - python-builder-3.12-bookworm-container-image
     provides: matrix-eavesdrop-container-image
     vars: &matrix-eavesdrop_vars
       docker_images:
diff --git a/zuul.d/project.yaml b/zuul.d/project.yaml
index dfd1b890d2..dbb4e50bcb 100644
--- a/zuul.d/project.yaml
+++ b/zuul.d/project.yaml
@@ -144,7 +144,9 @@
         - system-config-build-image-matrix-eavesdrop:
             dependencies:
               - name: opendev-buildset-registry
-              - name: system-config-build-image-python-builder-3.11-bookworm
+              - name: system-config-build-image-python-builder-3.12-bookworm
+                soft: true
+              - name: system-config-build-image-python-base-3.12-bookworm
                 soft: true
         - system-config-build-image-python-base-3.11-bookworm
         - system-config-build-image-python-base-3.11-bookworm-debug
@@ -291,7 +293,9 @@
         - system-config-upload-image-matrix-eavesdrop:
             dependencies:
               - name: opendev-buildset-registry
-              - name: system-config-upload-image-python-builder-3.11-bookworm
+              - name: system-config-upload-image-python-builder-3.12-bookworm
+                soft: true
+              - name: system-config-upload-image-python-base-3.12-bookworm
                 soft: true
         - system-config-upload-image-python-base-3.11-bookworm
         - system-config-upload-image-python-base-3.11-bookworm-debug