diff --git a/load_sim_tools.sh b/load_sim_tools.sh
index 8c80b24047be363b9856f1d707992d31f5070ce3..581c88db21c87454438e7037120c10d9c7cfd722 100644
--- a/load_sim_tools.sh
+++ b/load_sim_tools.sh
@@ -22,6 +22,7 @@ spack load -r py-pip %gcc@10.3.0
 spack load -r arbor %gcc@10.3.0
 spack load -r neuron %gcc@10.3.0
 spack load -r nest@2.20.0 %gcc@10.3.0
+spack load -r py-pynn %gcc@10.3.0
 
 echo "Everything ready!"
 #echo "Starting Python..."