diff --git a/tests/pyproject.toml b/tests/pyproject.toml
index 9ae0f391b..2b5c03f7e 100644
--- a/tests/pyproject.toml
+++ b/tests/pyproject.toml
@@ -12,7 +12,7 @@ version = "0.0.1"
 dependencies = [
   "pytest",
   "pytest-timeout",
-  "numpy; sys_platform != "android" and not (sys_platform == "ios" and python_version >= "3.14")",
+  "numpy; sys_platform != 'android' and not (sys_platform == 'ios' and python_version >= '3.14')",
   "scipy; sys_platform != 'android' and sys_platform != 'ios'",
 ]