diff --git a/requirements.txt b/requirements.txt
index e15530f..9f15035 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==3.1.1
-numpy==1.17.3
+numpy==1.22.0
 openpyxl==3.0.0
 pandas==0.25.2
 pyparsing==2.4.2