diff --git a/requirements.txt b/requirements.txt
index cf7d35b..fa4131d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.9.0
+numpy==1.21.0
 pandas==1.1.0
 scipy==1.4.1
 scikit-learn==0.22.2