diff --git a/pyproject.toml b/pyproject.toml
index 4b32f1e..362e503 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "aidial-assistant"
-version = "0.4.0rc"
+version = "0.5.0rc"
 description = "DIAL Assistant Service"
 authors = ["EPAM RAIL <SpecialEPM-DIALDevTeam@epam.com>"]
 homepage = "https://epam-rail.com"