diff --git a/Utils/setup.sh b/Utils/setup.sh
index b10e7d48ab3e09b5a2aae900d6e993e847df91c1..7993082cbff409f7bbae515b6e8d3b18edef09fd 100755
--- a/Utils/setup.sh
+++ b/Utils/setup.sh
@@ -10,7 +10,7 @@ rm -rf venv/
 
 # Setup Python Environment
 # Requires: Virtualenv, appropriate Python installation
-virtualenv venv -p python3
+virtualenv venv -p python3.9
 source venv/bin/activate
 pip install --upgrade setuptools pip wheel
 pip install -r requirements.txt