diff --git a/requirements.txt b/requirements.txt
index 09b74d4..db3e2fa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ cycler==0.10.0
 descartes==1.1.0
 kiwisolver==1.1.0
 mizani==0.5.4
-numpy==1.17.0
+numpy==1.22.0
 palettable==3.2.0
 pandas==0.25.0
 patsy==0.5.1