diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 743b6d86..3f5a90eb 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -26,10 +26,10 @@ jobs:
       fail-fast: false
       matrix:
         python-version:
-          - "3.8"
           - "3.9"
           - "3.10"
           - "3.11"
+          - "3.12"
 
     steps:
       - name: Check out code
@@ -51,7 +51,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install .[test,pygraphviz,lint]
+          pip install .[test,pygraphviz,lint] flit
 
       - name: Lint with ruff
         run: ruff check $(git ls-files "*.py")
@@ -63,6 +63,10 @@ jobs:
           # Generate LCOV format coverage data for coveralls.
           python -m coverage lcov -o coverage.lcov
 
+      - name: Build packages
+        run: |
+          python -m flit build
+
       - name: Send coverage data to coveralls.io
         uses: coverallsapp/github-action@v2
         with:
@@ -73,7 +77,7 @@ jobs:
   finalize:
     name: finalize
     needs: test
-    runs-on: ubuntu-latest    
+    runs-on: ubuntu-latest
     if: ${{ always() }}
     steps:
       - name: Indicate completion to coveralls.io
diff --git a/.mailmap b/.mailmap
index 280ae582..0c4ee424 100644
--- a/.mailmap
+++ b/.mailmap
@@ -1,2 +1,4 @@
 Yifei Wang <yifei666@umd.edu> <43050198+yifei666@users.noreply.github.com>
 Sajith Sasidharan <sajith@hcoop.net> <sajith@renci.org>
+Italo Valcy <italo@ampath.net> <italovalcy@gmail.com>
+Muhammad Usman Aziz <muhaziz@fiu.edu> <maziz@Muhammads-MacBook-Pro.local>
diff --git a/README.md b/README.md
index ef413059..516336d5 100644
--- a/README.md
+++ b/README.md
@@ -72,9 +72,6 @@ $ source venv/bin/activate
 $ pip install .[test]
 ```
 
-Please note that editable installs do not work currently, due to the
-shared top-level `sdx` module in datamodel.
-
 PCE can read topology data from Graphviz dot files, if the optional
 pygraphviz dependency is installed with:
 
diff --git a/pyproject.toml b/pyproject.toml
index 0c9bc5a8..7e51d402 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,21 +1,20 @@
 [build-system]
-requires = [
-    "setuptools >= 61.0",
-    "setuptools-scm >= 6.2",
-    "wheel",
-]
-build-backend = "setuptools.build_meta"
+requires = ["flit_core >=3.2,<4"]
+build-backend = "flit_core.buildapi"
 
 [project]
 name = "sdx-pce"
+version = "3.0.0.dev0"
 description = "Heuristic and Optimal Algorithms for CSP and TE Computation"
-dynamic = [ "version" ]
 authors = [
     { name = "Yufeng Xin", email = "yxin@renci.org" },
-    { name = "Yifei Wang", email = "ywang13@renci.org" }
+    { name = "Yifei Wang", email = "ywang13@renci.org" },
+    { name = "Cong Wang", email = "cwang@renci.org" },
+    { name = "Italo Valcy", email = "italo@ampath.net" },
+    { name = "Sajith Sasidharan", email = "sajith@hcoop.net" },
 ]
 readme = "README.md"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 license = {file = "LICENSE"}
 classifiers = [
     "Programming Language :: Python :: 3",
@@ -30,7 +29,7 @@ dependencies = [
     "prtpy",
     "pydot",
     "dataclasses-json",
-    "sdx-datamodel @ git+https://github.com/atlanticwave-sdx/datamodel@main",
+    "sdx-datamodel @ git+https://github.com/atlanticwave-sdx/datamodel@3.0.0.dev0",
 ]
 
 [project.urls]
diff --git a/tox.ini b/tox.ini
index 0f912c41..3ecdb2e2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,9 +1,9 @@
 [tox]
 env_list =
-    py38
     py39
     py310
     py311
+    py312
 
 skip_missing_interpreters = true