diff --git a/requirements.txt b/requirements.txt
index 81ebba9..5636d1f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ et-xmlfile==1.0.1
 jdcal==1.4.1
 kiwisolver==1.1.0
 matplotlib==3.1.3
-numpy==1.18.1
+numpy==1.22.0
 openpyxl==3.0.3
 PyMySQL==0.9.3
 pyparsing==2.4.6