diff --git a/requirements.txt b/requirements.txt
index 2fab040c8..1f590cd4b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ chardet==3.0.4
 et-xmlfile==1.0.1
 idna==2.6
 jdcal==1.3
-numpy==1.13.1
+numpy==1.22.0
 odfpy==1.3.5
 openpyxl==2.4.8
 pandas==0.20.3