diff --git a/pyproject.toml b/pyproject.toml
index bece53db..279dfe3f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,10 +12,11 @@ classifiers = [
   "License :: OSI Approved :: MIT License",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12",
   "Operating System :: OS Independent"
 ]
 dependencies = [
-  "gdsfactory~=8.6.2",
+  "gdsfactory~=8.6.4",
   "gplugins[sax]>=1,<2"
 ]
 description = "ubcpdk pdk"
diff --git a/tests/tests/mmi2x2.oas b/tests/tests/mmi2x2.oas
deleted file mode 100644
index 72b658b0..00000000
Binary files a/tests/tests/mmi2x2.oas and /dev/null differ