diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9827650..5aebfee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## v0.5.0 (2024-09-10)
+
+### Feat
+
+- added env var KONTEXT_COPILOT_DEFAULT_SYS_PROMPT to set differe… (#50)
+
 ## v0.4.0 (2024-09-09)
 
 ### Feat
diff --git a/pyproject.toml b/pyproject.toml
index f2a7d9e..4912dbf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "kontext-copilot"
-version = "0.4.0"
+version = "0.5.0"
 description = "Kontext Copilot is an AI empowered assistant for data analytics that can run on your local computer."
 authors = ["Kontext <enquiry@kontext.tech>"]
 readme = "README.md"