diff --git a/services/ads/python/Dockerfile b/services/ads/python/Dockerfile
index 2ea80ee1..03083f59 100644
--- a/services/ads/python/Dockerfile
+++ b/services/ads/python/Dockerfile
@@ -2,7 +2,7 @@
 # ^ This enables the new BuildKit stable syntax which can be
 # run with the DOCKER_BUILDKIT=1 environment variable in your
 # docker build command (see build.sh)
-FROM python:3.9.6-slim-buster
+FROM python:3.9.23-slim-bookworm
 # Update, upgrade, and cleanup debian packages
 RUN export DEBIAN_FRONTEND=noninteractive && \
     apt-get update && \
diff --git a/services/dbm/Dockerfile b/services/dbm/Dockerfile
index ab06bf9d..3056d1b4 100644
--- a/services/dbm/Dockerfile
+++ b/services/dbm/Dockerfile
@@ -2,7 +2,7 @@
 # ^ This enables the new BuildKit stable syntax which can be
 # run with the DOCKER_BUILDKIT=1 environment variable in your
 # docker build command (see build.sh)
-FROM python:3.9.6-slim-buster
+FROM python:3.9.23-slim-bookworm
 
 # Update, upgrade, and cleanup debian packages
 RUN export DEBIAN_FRONTEND=noninteractive && \
diff --git a/services/discounts/Dockerfile b/services/discounts/Dockerfile
index de852cb4..c61e1793 100644
--- a/services/discounts/Dockerfile
+++ b/services/discounts/Dockerfile
@@ -2,7 +2,7 @@
 # ^ This enables the new BuildKit stable syntax which can be
 # run with the DOCKER_BUILDKIT=1 environment variable in your
 # docker build command (see build.sh)
-FROM python:3.9.6-slim-buster
+FROM python:3.9.23-slim-bookworm
 
 # Update, upgrade, and cleanup debian packages
 RUN export DEBIAN_FRONTEND=noninteractive && \