diff --git a/pyproject.toml b/pyproject.toml
index 10f131f..b53d00e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -54,7 +54,7 @@ test = [
 ]
 lint = [
   "ruff==0.14.0",
-  "pyupgrade==3.20.0",
+  "pyupgrade==3.21.0",
   "django-upgrade==1.29.0",
 ]
 docs = [