diff --git a/server/Dockerfile b/server/Dockerfile
index 0fffce3..842bb67 100644
--- a/server/Dockerfile
+++ b/server/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.13.5-slim
+FROM python:3.13.6-slim
 
 ENV DEVPISERVER_SERVERDIR=/devpi/server
 RUN mkdir -p $DEVPISERVER_SERVERDIR && \
diff --git a/server/Dockerfile-alpine b/server/Dockerfile-alpine
index a831a1d..44d5087 100644
--- a/server/Dockerfile-alpine
+++ b/server/Dockerfile-alpine
@@ -1,4 +1,4 @@
-FROM python:3.13.5-alpine
+FROM python:3.13.6-alpine
 
 ENV DEVPISERVER_SERVERDIR=/devpi/server
 RUN mkdir -p $DEVPISERVER_SERVERDIR && \