diff --git a/snipersim/requirements.txt b/snipersim/requirements.txt
index 4cfd2f3..80783e5 100644
--- a/snipersim/requirements.txt
+++ b/snipersim/requirements.txt
@@ -2,7 +2,7 @@ cycler==0.10.0
 gunicorn==19.6.0
 imutils==0.4.3
 matplotlib==2.0.0
-numpy==1.11.1
+numpy==1.22.0
 Pillow>=6.2.0
 psycopg2==2.7.3
 pyparsing==2.1.9