diff --git a/pyproject.toml b/pyproject.toml
index 0285ecdf5..92c1999fd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ build-backend = "poetry.core.masonry.api"
 [tool.poetry]
 # Check https://python-poetry.org/docs/pyproject/ for all available sections
 name = "ansys-dpf-composites"
-version = "0.3.dev0"
+version = "0.4.0"
 description = "Post-processing of composite structures based on Ansys DPF"
 license = "MIT"
 authors = ["ANSYS, Inc. <ansys.support@ansys.com>"]
diff --git a/tests/test_metadata.py b/tests/test_metadata.py
index 059d70171..e225d0d41 100644
--- a/tests/test_metadata.py
+++ b/tests/test_metadata.py
@@ -24,4 +24,4 @@
 
 
 def test_pkg_version():
-    assert __version__ == "0.3.dev0"
+    assert __version__ == "0.4.0"