diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
new file mode 100644
index 0000000..8e3b4ef
--- /dev/null
+++ b/.github/workflows/publish.yml
@@ -0,0 +1,31 @@
+---
+name: Publish to PyPI
+
+on:  # yamllint disable-line rule:truthy
+  push:
+    tags:
+      - 'v[0-9]+.[0-9]+.[0-9]+'
+
+jobs:
+  publish:
+    name: "Publish to PyPI"
+    runs-on: "windows-2019"
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v4"
+
+      - name: "Set up Python 3.8"
+        uses: "actions/setup-python@v4"
+        with:
+          python-version: "3.8"
+
+      - name: "Install Build Requirements"
+        run: "pip install -e .[build]"
+
+      - name: "Build source distribution and wheel"
+        run: "python -m build --sdist --wheel --outdir dist/ ."
+
+      - name: "Publish to PyPI"
+        uses: "pypa/gh-action-pypi-publish@release/v1"
+        with:
+          password: "${{ secrets.PYPI_API_TOKEN }}"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 722259f..52cb121 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@ This document highlights high-level changes made to this program.
 + Removed `__future__` imports now that we no longer support Python 2; reorder
   and fix imports to not use `.` notation. Removed encoding pragma.
 + Addressed some lint issues; removed Py2 `xrange` hack.
++ Added a `publish` CI workflow.
 
 
 ## 1.1.2 / 2019-10-14
diff --git a/pyproject.toml b/pyproject.toml
index 9f828ec..c85649e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ classifiers = [
 ]
 dependencies = [
     "wxPython>=4.0.0,<4.3",
-    "numpy>=1.12.1,<1.25",
+    "numpy>=1.12.1,<2.0",
     "colour>=0.1.4,<0.2"
 ]
 
@@ -43,9 +43,14 @@ docs = [
     "sphinx==7.1.2",
     "sphinx_rtd_theme==1.3.0",
 ]
+build = [
+    "build==1.0.3",
+    "setuptools==68.2.2",
+    "wheel==0.41.3",
+]
 # It seems like this works... Not sure how stable it is though.
 all = [
-    "wafer_map[dev,docs]",
+    "wafer_map[dev,docs,build]",
 ]
 
 [project.urls]