diff --git a/requirements.txt b/requirements.txt
index 368dc9f..6a94ea8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ MarkupSafe==1.1.1
 more-itertools==7.2.0
 mysqlclient==1.4.4
 nltk==3.3
-numpy==1.17.2
+numpy==1.22.0
 Pattern==3.6
 pdfminer.six==20181108
 portend==2.5