diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index bfb9a68f..8c08919d 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -16,8 +16,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: conda-incubator/setup-miniconda@v2
         with:
-          python-version: 3.9
-          mamba-version: "*"
+          python-version: 3.10
           channels: conda-forge,defaults
           channel-priority: true
           activate-environment: anaconda-client-env
@@ -28,8 +27,8 @@ jobs:
         shell: bash -l {0}
         run: |
           sudo apt install pandoc
-          pip install -e .[docs]
           make plugins
+          pip install -e .[docs]
       - name: Running the Sphinx to gh-pages Action
         uses: uibcdf/action-sphinx-docs-to-gh-pages@v1.0-beta.2
         env:
diff --git a/.github/workflows/test_code.yml b/.github/workflows/test_code.yml
index d614ba4b..da542a87 100644
--- a/.github/workflows/test_code.yml
+++ b/.github/workflows/test_code.yml
@@ -45,7 +45,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: 3.7
           cache: "pip"
           cache-dependency-path: pyproject.toml
       - name: Install dependencies
@@ -75,7 +75,6 @@ jobs:
       - uses: conda-incubator/setup-miniconda@v2
         with:
           python-version: 3.9
-          mamba-version: "*"
           channels: conda-forge,defaults
           channel-priority: true
           activate-environment: anaconda-client-env
@@ -84,11 +83,14 @@ jobs:
           echo $CONDA/bin >> $GITHUB_PATH
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip
           sudo apt install pandoc
-          make install
           make plugins
           pip install -e .[docs]
+          conda list > requirements.txt
+      - uses: actions/upload-artifact@v3
+        with:
+          name: requirements
+          path: requirements.txt
       - name: Test documentation
         env:
           TIDY3D_USER: ${{ secrets.TIDY3D_EMAIL }}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6e8988e3..67bfbea7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## [1.14.0](https://github.com/gdsfactory/ubc/pull/157)
+- update to gdsfactory 6.20.0
+
 ## [1.13.0](https://github.com/gdsfactory/ubc/pull/146)
 
 - update to gdsfactory 6.19.0
diff --git a/Makefile b/Makefile
index 2113ec02..32728a17 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,11 @@
 install:
-	bash install.sh
+	pip install -e .
+	pip install pre-commit
+	pre-commit install
+	python install_tech.py
+
+dev:
+	pip install -e .
 
 update:
 	pre-commit autoupdate --bleeding-edge
@@ -37,20 +43,19 @@ doc:
 	python docs/write_components_autodoc.py
 
 meep:
-	mamba install pymeep=*=mpi_mpich_* -y
-
-sax:
-	pip install sax jax jaxlib
+	conda install -n base conda-libmamba-solver
+	conda config --set solver libmamba
+	conda install -c conda-forge pymeep=*=mpi_mpich_* nlopt -y
 
-plugins: sax meep
-	pip install -e .[full]
+plugins: meep
 	pip install gdsfactory[docs,dev,full,gmsh,tidy3d,devsim,meow,sax]
+	pip install -e .[full] --upgrade
 
 diff:
 	pf merge-cells gds_diff
 
 cov:
-	pytest --cov=ubc
+	pytest --cov=ubcpdk
 
 mypy:
 	mypy . --ignore-missing-imports
@@ -59,13 +64,13 @@ lint:
 	flake8 .
 
 pylint:
-	pylint ubc
+	pylint ubcpdk
 
 lintd:
 	flake8 --select RST
 
 pydocstyle:
-	pydocstyle ubc
+	pydocstyle ubcpdk
 
 doc8:
 	doc8 docs/
diff --git a/pyproject.toml b/pyproject.toml
index b569b49d..125814dd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ authors = [
 keywords = ["python"]
 license = {file = "LICENSE"}
 dependencies = [
-    "gdsfactory==6.19.3",
+    "gdsfactory==6.20.0",
     "modes",
     "klayout",
 ]
@@ -31,9 +31,7 @@ requires-python = ">=3.7"
 
 [project.optional-dependencies]
 full = [
-    "gdsfactory[full,tidy3d]==6.19.3",
-    "flayout",
-    "lygadgets",
+    "gdsfactory[full,sax,tidy3d,meow]==6.20.0",
     "modes",
     ]