diff --git a/requirements.txt b/requirements.txt
index b4be348..416b5ce 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy == 1.13.3
+numpy == 1.22.0
 matplotlib == 2.2.2
 mpld3 == 0.3
 JSAnimation == 0.1