diff --git a/load_sim_tools.sh b/load_sim_tools.sh
index 581c88db21c87454438e7037120c10d9c7cfd722..ca943623953eafee58a73dbfe8ee9be877015fa6 100644
--- a/load_sim_tools.sh
+++ b/load_sim_tools.sh
@@ -21,7 +21,7 @@ spack load -r py-numpy %gcc@10.3.0
 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 nest@3.0 %gcc@10.3.0
 spack load -r py-pynn %gcc@10.3.0
 
 echo "Everything ready!"