diff --git a/big-bear-casaos-user-management/Dockerfile b/big-bear-casaos-user-management/Dockerfile
index 18dcf4f..ece96d2 100644
--- a/big-bear-casaos-user-management/Dockerfile
+++ b/big-bear-casaos-user-management/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.9-slim
+FROM python:3.13-slim
 
 # Install system dependencies (systemd includes systemctl)
 RUN apt-get update && \
diff --git a/genmon/Dockerfile b/genmon/Dockerfile
index fc7dc10..b1f695b 100644
--- a/genmon/Dockerfile
+++ b/genmon/Dockerfile
@@ -1,5 +1,5 @@
 # Use a specific tag for a stable and predictable base image.
-FROM python:3.8-slim
+FROM python:3.13-slim
 
 # Set non-interactive mode and define timezone to avoid unnecessary prompts during build.
 ENV DEBIAN_FRONTEND=noninteractive TZ="America/Chicago"