diff --git a/pyproject.toml b/pyproject.toml
index d165ff3a..61aa965b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "gurobi-machinelearning"
-version = "1.4.0b2"
+version = "1.4.0"
 description = "package to insert ML models in Gurobi"
 readme = "README.md"
 requires-python = ">=3.9"