diff --git a/server/requirements/prod.txt b/server/requirements/prod.txt
index 7a0b05e3..90c43239 100644
--- a/server/requirements/prod.txt
+++ b/server/requirements/prod.txt
@@ -45,7 +45,7 @@ urllib3==1.14
 ujson==1.35
 lockfile==0.12.2
 
-numpy==1.11.2
+numpy==1.21.0
 scipy==0.18.1
 pandas==0.18.0
 nibabel==2.0.1