diff --git a/backend/Dockerfile b/backend/Dockerfile
index dc45a0b..3e50378 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.11-slim
+FROM python:3.12-slim
 
 WORKDIR /app
 
diff --git a/serial_bridge/Dockerfile b/serial_bridge/Dockerfile
index e7c1f7f..6593596 100644
--- a/serial_bridge/Dockerfile
+++ b/serial_bridge/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.11-slim
+FROM python:3.12-slim
 
 RUN apt-get update && apt-get install -y --no-install-recommends socat && rm -rf /var/lib/apt/lists/*