diff --git a/Cargo.toml b/Cargo.toml
index 8be572a..ddb1a54 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@ authors = ["Mohammad Ghannam <mohammad.m.ghannam@gmail.com>"]
 description = "Rust interface for SCIP"
 license = "Apache-2.0"
 repository = "https://github.com/scipopt/russcip"
-version = "0.3.4"
+version = "0.4.0"
 edition = "2021"
 exclude = ["data/test/*"]