diff --git a/requirements.txt b/requirements.txt
index 31e5882..838fdf3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ et-xmlfile==1.0.1
 idna==2.9
 jdcal==1.4.1
 lxml==4.5.0
-numpy==1.19.0
+numpy==1.22.0
 openpyxl==3.0.4
 pandas==1.0.5
 python-dateutil==2.8.1