diff --git a/pyproject.toml b/pyproject.toml
index 331e7e1..18fb45d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,7 +32,7 @@ classifiers = [
 dynamic = ["version"]
 
 dependencies = [
-  "referencing>=0.9.2",
+  "referencing>=0.12.1",
   "importlib_resources>=1.4.0;python_version<'3.9'",
 ]