diff --git a/jwtproxy/requirements_dev.txt b/jwtproxy/requirements_dev.txt
index f6be3a65..6e3f58f3 100644
--- a/jwtproxy/requirements_dev.txt
+++ b/jwtproxy/requirements_dev.txt
@@ -4,7 +4,7 @@ aiohttp-devtools==1.0.post0
 aioresponses==0.7.8
 anyio==3.6.2
 asttokens==2.2.0
-black==25.11.0
+black==26.1.0
 click==8.1.3
 devtools==0.10.0
 executing==1.2.0