diff --git a/Retro68/universal/ppc/Dockerfile b/Retro68/universal/ppc/Dockerfile
index 61189f4..0e818e1 100644
--- a/Retro68/universal/ppc/Dockerfile
+++ b/Retro68/universal/ppc/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:latest
+FROM ubuntu:22.10
 
 LABEL description="Retro68 cross compiler environment with cmake alias for PowerPC development with the Apple Universal libraries."