diff --git a/requirements.txt b/requirements.txt
index 6419115..fb6aa8e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ coverage==4.5.2
 docutils==0.14
 idna==2.8
 more-itertools==5.0.0
-numpy==1.15.4
+numpy==1.22.0
 pandas==0.23.4
 pkginfo==1.4.2
 pluggy==0.8.0