diff --git a/requirements.txt b/requirements.txt
index e22aa10..dc9b8d3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ attrs==18.1.0
 coverage==4.5.1
 funcsigs==1.0.2
 more-itertools==4.2.0
-numpy==1.14.3
+numpy==1.22.0
 pluggy==0.6.0
 py==1.5.3
 pytest==3.6.0