diff --git a/requirements.txt b/requirements.txt
index c833bdb..914ec2d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 unionfind==0.0.10
-numpy==1.18.1
+numpy==1.22.0
 bitarray==1.2.1
 egcd==0.0.1.1
 sympy==1.5.1