diff --git a/requirements.txt b/requirements.txt
index 4bd82a1..e41e5bc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ flask-restplus==0.12.1
 requests==2.22.0
 gunicorn==19.9.0
 phe==1.4.0
-numpy==1.16.4
+numpy==1.22.0
 sqlalchemy==1.3.0
 scikit-learn==0.21.2
 pandas==0.24.2