diff --git a/requirements.txt b/requirements.txt
index d8e0422..7c7cf09 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 bidict==0.14.2
-numpy==1.14.1
+numpy==1.22.0
 pkg-resources==0.0.0
 scipy==1.0.0