diff --git a/requirements.txt b/requirements.txt
index a6325a4..6251d14 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ JPype1==0.6.3
 kiwisolver==1.0.1
 matplotlib==2.2.3
 mysql-connector==2.1.6
-numpy==1.15.3
+numpy==1.22.0
 pandas==0.23.4
 pyhanlp==0.1.44
 pyparsing==2.2.2