diff --git a/requirements.txt b/requirements.txt
index b74c7a5..3d0bb5a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.17.4
+numpy==1.20.1
 scipy==1.3.3
 matplotlib==3.1.2
 sliceplots==0.3.2