diff --git a/pyproject.toml b/pyproject.toml
index cae91daa5dfd891f0b68f5fb979b5437ed9499e9..16de301391c7f13d14e249a0656e8f92038bed74 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@
 
 [project]
 name = "lclayout"
-version = "0.0.17"
+version = "0.0.18"
 description='CMOS standard-cell layout generator.'
 readme = {file = "README.md", content-type="text/markdown"}
 license = {text = "OHL-S v2.0"}