diff --git a/tools/docker/Makefile b/tools/docker/Makefile
index f724f946f5b..0b7294402cb 100644
--- a/tools/docker/Makefile
+++ b/tools/docker/Makefile
@@ -709,7 +709,7 @@ distclean: clean
 ##########################
 ##  MINIZINC CHALLENGE  ##
 ##########################
-MZN_TAG=or-tools-minizinc-challenge:2023v1
+MZN_TAG=or-tools-minizinc-challenge:2023v2
 
 .PHONY: minizinc-challenge
 minizinc-challenge: minizinc-challenge.Dockerfile