diff --git a/pyproject.toml b/pyproject.toml
index dfba420..8f1e124 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ requires = [
 
 [project]
 name = "pycaputo"
-version = "0.4.0"
+version = "0.5.0"
 description = "Evaluate fractional integrals and solve fractional ODEs"
 readme = "README.rst"
 keywords = [