diff --git a/requirements.txt b/requirements.txt
index ffd4022..e6ab61b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 click==6.6
-numpy==1.11.0
+numpy==1.21.0
 scikit-learn==0.17.1
 scipy==0.17.0