diff --git a/setup.py b/setup.py
index abb2f8fd..2b884926 100644
--- a/setup.py
+++ b/setup.py
@@ -55,7 +55,7 @@ def read(path: str) -> str:
         "kopf==1.37.1",
         "kubernetes-asyncio==31.1.0",
         "PyYAML<7.0",
-        "prometheus_client==0.25.0",
+        "prometheus_client==0.26.0",
         "aiohttp==3.14.3",
         "verlib2==0.3.2",
         "wrapt==2.3.0",