diff --git a/pyproject.toml b/pyproject.toml
index 15d6897a..186fc9c1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -156,7 +156,7 @@ oauth = [
     "httpx-oauth >=0.13"
 ]
 redis = [
-    "redis >=4.3.3,<5.0.0",
+    "redis >=4.3.3,<6.0.0",
 ]
 
 [project.urls]