diff --git a/pyproject.toml b/pyproject.toml
index 30ce093..b34701e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name="CAD_to_OpenMC"
-version="0.3.3a0"
+version="0.3.3"
 authors = [
   { name="Erik B Knudsen", email="erik.knudsen@copenhagenatomics.com" },
 ]