diff --git a/pyproject.toml b/pyproject.toml
index 737157d..9bc8538 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -58,7 +58,7 @@ postgres = [
     "psycopg[binary]>=3.1,<4.0",
 ]
 redis = [
-    "redis>=5.0,<7.0",               # Shared rate-limit windows and token revocation across replicas
+    "redis>=5.0,<9.0",               # Shared rate-limit windows and token revocation across replicas
 ]
 
 [project.urls]