diff --git a/requirements.txt b/requirements.txt
index b5b5da1..83d9b65 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.9.3
+numpy==1.21.0
 pandas==0.16.1
 scikit-learn==0.16.1
 scipy==0.16.0