diff --git a/Cargo.toml b/Cargo.toml
index ad64390..f9a5cf5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "raptorbt"
-version = "0.4.0"
+version = "0.4.1"
 edition = "2021"
 description = "High-performance Rust backtesting engine with Python bindings. Bar-level and tick-level simulation with sub-millisecond execution and a minimal footprint."
 authors = ["Alphabench <contact@alphabench.in>"]
diff --git a/pyproject.toml b/pyproject.toml
index aaf6394..6cde2b3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "maturin"
 
 [project]
 name = "raptorbt"
-version = "0.4.0"
+version = "0.4.1"
 description = "High-performance Rust backtesting engine with Python bindings. Bar-level and tick-level simulation with sub-millisecond execution and a minimal footprint."
 readme = "README.md"
 requires-python = ">=3.10"