diff --git a/pyproject.toml b/pyproject.toml
index 708847de..52b68146 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -76,7 +76,7 @@ test = [
     "security==1.3.1",
     "types-mock==5.1.*",
     "django>=4,<6",
-    "numpy~=2.1.0",
+    "numpy>=2.1,<2.3",
     "flask_wtf~=1.2.0",
     "fickling~=0.1.0,>=0.1.3",
     "graphql-server~=3.0.0b7",