diff --git a/.conda/bin/jenkins-server-customization b/.conda/bin/jenkins-server-customization
index fc5250d57..766378066 100644
--- a/.conda/bin/jenkins-server-customization
+++ b/.conda/bin/jenkins-server-customization
@@ -1,5 +1,5 @@
 # This Bash script must be sourced, not executed
 # Customizations required for the server that currently runs Jenkins
 
-conda install --yes mpi4py tensorflow scipy\<1.3
+conda install --yes mpi4py tensorflow scipy\<1.3 numpy\<1.17
 module unload gcc