diff --git a/pyproject.toml b/pyproject.toml
index 8f656ed..c7234d7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -64,7 +64,7 @@ dependencies = [
     "django>=4.0",
     "requests>=2.4.3",
     "urllib3>=1.25.0",  # requests dependency: fixes RFC 7578 header encoding
-    "typing_extensions>=4.12; python_version < 3.11",  # for older Python compatibility
+    "typing_extensions>=4.12;python_version<'3.11'",  # for older Python compatibility
 ]
 
 [project.optional-dependencies]