diff --git a/Dockerfile b/Dockerfile
index 5ea240ed..4af26e48 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.10-slim-bookworm
+FROM python:3.12-slim-bookworm
 LABEL org.opencontainers.image.authors="grp-natlibfi-annif@helsinki.fi"
 SHELL ["/bin/bash", "-c"]