diff --git a/requirements.txt b/requirements.txt
index 4798f2e..cb3dab6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -50,7 +50,7 @@ lxml==4.3.4
 MarkupSafe==1.1.1
 more-itertools==7.0.0
 nbformat==4.4.0
-numpy==1.16.4
+numpy==1.22.0
 ObjDict==0.4.4
 odfpy==1.4.0
 openpyxl==2.6.2