diff --git a/CHANGELOG.md b/CHANGELOG.md
index 72377ca..c7b1812 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,18 @@
 
 <!-- towncrier release notes start -->
 
+## 0.9.1
+
+## 0.9.0
+
+- Gdsfactory8 [#43](https://github.com/gdsfactory/cspdk/pull/43)
+- add gplugins to pyproject [#46](https://github.com/gdsfactory/cspdk/pull/46)
+- Fixes remove partials [#45](https://github.com/gdsfactory/cspdk/pull/45)
+- fixing tech installation on windows [#35](https://github.com/gdsfactory/cspdk/pull/35)
+- better values for cross_section [#39](https://github.com/gdsfactory/cspdk/pull/39)
+- use approx version [#37](https://github.com/gdsfactory/cspdk/pull/37)
+- update gdsfactory [#34](https://github.com/gdsfactory/cspdk/pull/34)
+
 ## 0.8.0
 
 - add si500nm pdk [#32](https://github.com/gdsfactory/cspdk/pull/32)
diff --git a/pyproject.toml b/pyproject.toml
index 6c04c30..a0ae8e1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ classifiers = [
   "Operating System :: OS Independent"
 ]
 dependencies = [
-  "gdsfactory~=8.2.3",
+  "gdsfactory~=8.3.0",
   "gplugins[sax]>=1,<2"
 ]
 description = "CornerStone PDK"
diff --git a/tests/test_netlists_si500/test_netlists_die_.yml b/tests/test_netlists_si500/test_netlists_die_.yml
index a9408c7..d82cd3c 100644
--- a/tests/test_netlists_si500/test_netlists_die_.yml
+++ b/tests/test_netlists_si500/test_netlists_die_.yml
@@ -1,5 +1,5 @@
 instances:
-  grating_coupler_array_G_f2273a72_-5357816_0:
+  grating_coupler_array_G_f2273a72_-5357818_0:
     component: grating_coupler_array
     info: {}
     settings:
@@ -12,7 +12,7 @@ instances:
       rotation: -90
       straight_to_grating_spacing: 10
       with_loopback: true
-  grating_coupler_array_G_f2273a72_5357816_0:
+  grating_coupler_array_G_f2273a72_5357818_0:
     component: grating_coupler_array
     info: {}
     settings:
@@ -787,15 +787,15 @@ instances:
 name: die
 nets: []
 placements:
-  grating_coupler_array_G_f2273a72_-5357816_0:
+  grating_coupler_array_G_f2273a72_-5357818_0:
     mirror: false
     rotation: 270
-    x: -5160.857
+    x: -5160.861
     y: 0
-  grating_coupler_array_G_f2273a72_5357816_0:
+  grating_coupler_array_G_f2273a72_5357818_0:
     mirror: false
     rotation: 90
-    x: 5160.857
+    x: 5160.861
     y: 0
   pad_S100_100_-1150000_-2250000:
     mirror: false
@@ -1175,34 +1175,34 @@ ports:
   e7: pad_S100_100_-2650000_-2250000,e2
   e8: pad_S100_100_-2350000_-2250000,e2
   e9: pad_S100_100_-2050000_-2250000,e2
-  o1: grating_coupler_array_G_f2273a72_5357816_0,o0
-  o10: grating_coupler_array_G_f2273a72_5357816_0,o9
-  o11: grating_coupler_array_G_f2273a72_5357816_0,o10
-  o12: grating_coupler_array_G_f2273a72_5357816_0,o11
-  o13: grating_coupler_array_G_f2273a72_5357816_0,o12
-  o14: grating_coupler_array_G_f2273a72_5357816_0,o13
-  o15: grating_coupler_array_G_f2273a72_-5357816_0,o0
-  o16: grating_coupler_array_G_f2273a72_-5357816_0,o1
-  o17: grating_coupler_array_G_f2273a72_-5357816_0,o2
-  o18: grating_coupler_array_G_f2273a72_-5357816_0,o3
-  o19: grating_coupler_array_G_f2273a72_-5357816_0,o4
-  o2: grating_coupler_array_G_f2273a72_5357816_0,o1
-  o20: grating_coupler_array_G_f2273a72_-5357816_0,o5
-  o21: grating_coupler_array_G_f2273a72_-5357816_0,o6
-  o22: grating_coupler_array_G_f2273a72_-5357816_0,o7
-  o23: grating_coupler_array_G_f2273a72_-5357816_0,o8
-  o24: grating_coupler_array_G_f2273a72_-5357816_0,o9
-  o25: grating_coupler_array_G_f2273a72_-5357816_0,o10
-  o26: grating_coupler_array_G_f2273a72_-5357816_0,o11
-  o27: grating_coupler_array_G_f2273a72_-5357816_0,o12
-  o28: grating_coupler_array_G_f2273a72_-5357816_0,o13
-  o3: grating_coupler_array_G_f2273a72_5357816_0,o2
-  o4: grating_coupler_array_G_f2273a72_5357816_0,o3
-  o5: grating_coupler_array_G_f2273a72_5357816_0,o4
-  o6: grating_coupler_array_G_f2273a72_5357816_0,o5
-  o7: grating_coupler_array_G_f2273a72_5357816_0,o6
-  o8: grating_coupler_array_G_f2273a72_5357816_0,o7
-  o9: grating_coupler_array_G_f2273a72_5357816_0,o8
+  o1: grating_coupler_array_G_f2273a72_5357818_0,o0
+  o10: grating_coupler_array_G_f2273a72_5357818_0,o9
+  o11: grating_coupler_array_G_f2273a72_5357818_0,o10
+  o12: grating_coupler_array_G_f2273a72_5357818_0,o11
+  o13: grating_coupler_array_G_f2273a72_5357818_0,o12
+  o14: grating_coupler_array_G_f2273a72_5357818_0,o13
+  o15: grating_coupler_array_G_f2273a72_-5357818_0,o0
+  o16: grating_coupler_array_G_f2273a72_-5357818_0,o1
+  o17: grating_coupler_array_G_f2273a72_-5357818_0,o2
+  o18: grating_coupler_array_G_f2273a72_-5357818_0,o3
+  o19: grating_coupler_array_G_f2273a72_-5357818_0,o4
+  o2: grating_coupler_array_G_f2273a72_5357818_0,o1
+  o20: grating_coupler_array_G_f2273a72_-5357818_0,o5
+  o21: grating_coupler_array_G_f2273a72_-5357818_0,o6
+  o22: grating_coupler_array_G_f2273a72_-5357818_0,o7
+  o23: grating_coupler_array_G_f2273a72_-5357818_0,o8
+  o24: grating_coupler_array_G_f2273a72_-5357818_0,o9
+  o25: grating_coupler_array_G_f2273a72_-5357818_0,o10
+  o26: grating_coupler_array_G_f2273a72_-5357818_0,o11
+  o27: grating_coupler_array_G_f2273a72_-5357818_0,o12
+  o28: grating_coupler_array_G_f2273a72_-5357818_0,o13
+  o3: grating_coupler_array_G_f2273a72_5357818_0,o2
+  o4: grating_coupler_array_G_f2273a72_5357818_0,o3
+  o5: grating_coupler_array_G_f2273a72_5357818_0,o4
+  o6: grating_coupler_array_G_f2273a72_5357818_0,o5
+  o7: grating_coupler_array_G_f2273a72_5357818_0,o6
+  o8: grating_coupler_array_G_f2273a72_5357818_0,o7
+  o9: grating_coupler_array_G_f2273a72_5357818_0,o8
 warnings:
   electrical:
     unconnected_ports:
diff --git a/tests/test_netlists_si500/test_netlists_grating_coupler_array_.yml b/tests/test_netlists_si500/test_netlists_grating_coupler_array_.yml
index 79bc524..8dd16f5 100644
--- a/tests/test_netlists_si500/test_netlists_grating_coupler_array_.yml
+++ b/tests/test_netlists_si500/test_netlists_grating_coupler_array_.yml
@@ -1,40 +1,40 @@
 instances:
-  grating_coupler_rectangular_-190500_-191959:
+  grating_coupler_rectangular_-190500_-191957:
     component: grating_coupler_rectangular
     info:
       fiber_angle: 10
       polarization: te
       wavelength: 1.55
     settings: {}
-  grating_coupler_rectangular_-317500_-191959:
+  grating_coupler_rectangular_-317500_-191957:
     component: grating_coupler_rectangular
     info:
       fiber_angle: 10
       polarization: te
       wavelength: 1.55
     settings: {}
-  grating_coupler_rectangular_-63500_-191959:
+  grating_coupler_rectangular_-63500_-191957:
     component: grating_coupler_rectangular
     info:
       fiber_angle: 10
       polarization: te
       wavelength: 1.55
     settings: {}
-  grating_coupler_rectangular_190500_-191959:
+  grating_coupler_rectangular_190500_-191957:
     component: grating_coupler_rectangular
     info:
       fiber_angle: 10
       polarization: te
       wavelength: 1.55
     settings: {}
-  grating_coupler_rectangular_317500_-191959:
+  grating_coupler_rectangular_317500_-191957:
     component: grating_coupler_rectangular
     info:
       fiber_angle: 10
       polarization: te
       wavelength: 1.55
     settings: {}
-  grating_coupler_rectangular_63500_-191959:
+  grating_coupler_rectangular_63500_-191957:
     component: grating_coupler_rectangular
     info:
       fiber_angle: 10
@@ -44,64 +44,64 @@ instances:
 name: grating_coupler_array_P_6292d852
 nets: []
 placements:
-  grating_coupler_rectangular_-190500_-191959:
+  grating_coupler_rectangular_-190500_-191957:
     mirror: false
     rotation: 270
     x: -190.5
     y: 0
-  grating_coupler_rectangular_-317500_-191959:
+  grating_coupler_rectangular_-317500_-191957:
     mirror: false
     rotation: 270
     x: -317.5
     y: 0
-  grating_coupler_rectangular_-63500_-191959:
+  grating_coupler_rectangular_-63500_-191957:
     mirror: false
     rotation: 270
     x: -63.5
     y: 0
-  grating_coupler_rectangular_190500_-191959:
+  grating_coupler_rectangular_190500_-191957:
     mirror: false
     rotation: 270
     x: 190.5
     y: 0
-  grating_coupler_rectangular_317500_-191959:
+  grating_coupler_rectangular_317500_-191957:
     mirror: false
     rotation: 270
     x: 317.5
     y: 0
-  grating_coupler_rectangular_63500_-191959:
+  grating_coupler_rectangular_63500_-191957:
     mirror: false
     rotation: 270
     x: 63.5
     y: 0
 ports:
-  o0: grating_coupler_rectangular_-317500_-191959,o1
-  o1: grating_coupler_rectangular_-190500_-191959,o1
-  o2: grating_coupler_rectangular_-63500_-191959,o1
-  o3: grating_coupler_rectangular_63500_-191959,o1
-  o4: grating_coupler_rectangular_190500_-191959,o1
-  o5: grating_coupler_rectangular_317500_-191959,o1
+  o0: grating_coupler_rectangular_-317500_-191957,o1
+  o1: grating_coupler_rectangular_-190500_-191957,o1
+  o2: grating_coupler_rectangular_-63500_-191957,o1
+  o3: grating_coupler_rectangular_63500_-191957,o1
+  o4: grating_coupler_rectangular_190500_-191957,o1
+  o5: grating_coupler_rectangular_317500_-191957,o1
 warnings:
   vertical_te:
     unconnected_ports:
     - message: 6 unconnected vertical_te ports!
       ports:
-      - grating_coupler_rectangular_-317500_-191959,o2
-      - grating_coupler_rectangular_-190500_-191959,o2
-      - grating_coupler_rectangular_-63500_-191959,o2
-      - grating_coupler_rectangular_63500_-191959,o2
-      - grating_coupler_rectangular_190500_-191959,o2
-      - grating_coupler_rectangular_317500_-191959,o2
+      - grating_coupler_rectangular_-317500_-191957,o2
+      - grating_coupler_rectangular_-190500_-191957,o2
+      - grating_coupler_rectangular_-63500_-191957,o2
+      - grating_coupler_rectangular_63500_-191957,o2
+      - grating_coupler_rectangular_190500_-191957,o2
+      - grating_coupler_rectangular_317500_-191957,o2
       values:
       - - -317500
-        - -366890
+        - -366886
       - - -190500
-        - -366890
+        - -366886
       - - -63500
-        - -366890
+        - -366886
       - - 63500
-        - -366890
+        - -366886
       - - 190500
-        - -366890
+        - -366886
       - - 317500
-        - -366890
+        - -366886