diff --git a/pyproject.toml b/pyproject.toml
index ccf19c5..df4f655 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ dependencies = [
     "structlog>=25.5",
     "opentelemetry-api>=1.42",
     "opentelemetry-sdk>=1.42",
-    "prometheus-client>=0.22",
+    "prometheus-client>=0.25.0",
 ]
 
 [project.optional-dependencies]