diff --git a/requirements.txt b/requirements.txt
index 2360cf5..f901491 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ et-xmlfile==1.0.1
 jdcal==1.4.1
 llvmlite==0.31.0
 numba==0.48.0
-numpy==1.17.0
+numpy==1.22.0
 openpyxl==2.6.2
 pandas==0.25.0
 python-dateutil==2.8.0