diff --git a/Dockerfile b/Dockerfile
index cb1f7a2..dc64d95 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.9-slim-buster
+FROM python:3.10-slim-bullseye
 
 WORKDIR /bitwarden-to-keepass
 COPY . .