diff --git a/requirements.txt b/requirements.txt
index a41e2c9..043f37c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,3 +9,4 @@ requests>=2.31.0
 pytest>=7.0.0
 pytest-asyncio>=0.21.0
 pywebpush>=1.14.0
+numpy>=1.26.0