diff --git a/app/Dockerfile b/app/Dockerfile
index 8078b0b..9a6fde0 100644
--- a/app/Dockerfile
+++ b/app/Dockerfile
@@ -1,7 +1,7 @@
 # app/Dockerfile
 
 # pull the official docker image
-FROM python:3.13-slim
+FROM python:3.11-slim
 
 # set work directory
 WORKDIR /app
diff --git a/app/Dockerfile.prod b/app/Dockerfile.prod
index de08dbe..979e45e 100644
--- a/app/Dockerfile.prod
+++ b/app/Dockerfile.prod
@@ -3,7 +3,7 @@
 ###########
 
 # pull official base image
-FROM python:3.13-slim as builder
+FROM python:3.11-slim as builder
 
 # set work directory
 WORKDIR /app