diff --git a/requirements.txt b/requirements.txt
index a36279b..da0c77d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ gunicorn==19.7.1
 idna==2.5
 jmespath==0.9.3
 matplotlib==2.0.2
-numpy==1.13.1
+numpy==1.21.0
 pathspec==0.5.0
 pycrypto==2.6.1
 pyparsing==2.2.0