diff --git a/pyproject.toml b/pyproject.toml
index af17eca..beb8885 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ classifiers = [
   "Operating System :: OS Independent"
 ]
 dependencies = [
-  "gdsfactory==9.5.0",
+  "gdsfactory==9.5.1",
   "gplugins[sax]>=1.3.3,<2"
 ]
 description = "CornerStone PDK"