diff --git a/setup-vitest.sh b/setup-vitest.sh
index 6e7afc5a..ab534949 100644
--- a/setup-vitest.sh
+++ b/setup-vitest.sh
@@ -3,4 +3,4 @@
 pip install $*
 nodeenv --prebuilt --python-virtualenv
 source $VIRTUAL_ENV/bin/activate # source again to activate npm from env
-npm install -g vitest@"<1.1.0" happy-dom
+npm install -g vitest@"<1.1.0" happy-dom@"=13.4.0"