diff --git a/requirements.txt b/requirements.txt
index 73b53e9..36b948a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ matplotlib==1.3.1
 mutagen==1.25.1
 networkx==1.7
 nose==1.3.1
-numpy==1.9.1
+numpy==1.21.0
 oauth==1.0.1
 PAM==0.4.2
 Pillow==2.3.0