diff --git a/requirements.txt b/requirements.txt
index d36b1ab..a832f50 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 et-xmlfile==1.0.1
 jdcal==1.4.1
-numpy==1.17.4
+numpy==1.22.0
 openpyxl==3.0.2
 pandas==0.25.3
 python-dateutil==2.8.1