diff --git a/tools/docker/Dockerfile b/tools/docker/Dockerfile
index d164e4919..de6cda565 100644
--- a/tools/docker/Dockerfile
+++ b/tools/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/getpatchwork/pyenv:latest
+FROM ghcr.io/getpatchwork/pyenv:stable-3.1
 
 ARG UID
 ARG GID