diff --git a/pyproject.toml b/pyproject.toml
index 4b06d2a..5b463b8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "blacksheep-prometheus"
-version = "0.1.1"
+version = "0.1.4"
 description = "Prometheus integration for blacksheep"
 authors = ["Nikita Tomchik <cdayz@yandex.ru>"]
 license = "MIT"