diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
new file mode 100644
index 0000000..ea2da46
--- /dev/null
+++ b/.github/workflows/publish.yml
@@ -0,0 +1,50 @@
+name: Publish Chippy package
+
+on:
+  workflow_dispatch:
+    inputs:
+      module:
+        description: "Module to publish, e.g. rocketchip.dependencies.diplomacy, chippy, rocketchip. Look at documentation for more details: https://rohkud.github.io/chippy/available-packages/"
+        required: true
+        default: rocketchip.dependencies.diplomacy
+      version:
+        description: "Version to publish, e.g. 3.0.0"
+        required: true
+
+permissions:
+  contents: read
+  packages: write
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v6
+        with:
+          submodules: recursive
+
+      - name: Set up JDK
+        uses: actions/setup-java@v5
+        with:
+          distribution: temurin
+          java-version: "17"
+
+      - name: Make Mill executable
+        run: chmod +x ./mill
+
+      - name: Set module and version
+        run: |
+          echo "MODULE=${{ github.event.inputs.module }}" >> $GITHUB_ENV
+          echo "CHIPPY_VERSION=${{ github.event.inputs.version }}" >> $GITHUB_ENV
+
+      - name: Publish selected module
+        env:
+          MILL_MAVEN_USERNAME: ${{ github.actor }}
+          MILL_MAVEN_PASSWORD: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+            ./mill mill.javalib.MavenPublishModule/ \
+            --publishArtifacts "$MODULE.publishArtifacts" \
+            --releaseUri https://maven.pkg.github.com/ucb-substrate/chippy \
+            --snapshotUri https://maven.pkg.github.com/ucb-substrate/chippy
diff --git a/build.mill b/build.mill
index bd81bf4..bc7a6b5 100644
--- a/build.mill
+++ b/build.mill
@@ -32,7 +32,7 @@ trait ChippyPublishModule extends ChippyModule, PublishModule {
 }
 
 object rocketchip extends ChippyPublishModule {
-  def publishVersion = "0.0.1"
+  def publishVersion = sys.env.getOrElse("CHIPPY_VERSION", "LOCAL-SNAPSHOT")
 
   def moduleDir = super.moduleDir / os.up / "rocket-chip"
   def resources = Task.Sources { moduleDir / "src" / "main" / "resources" }
@@ -52,7 +52,7 @@ object rocketchip extends ChippyPublishModule {
   def pomSettings = makePomSettings("Hardware floating-point units written in Chisel.")
 
   object macros extends ChippyPublishModule {
-    def publishVersion = "0.0.1"
+    def publishVersion = sys.env.getOrElse("CHIPPY_VERSION", "LOCAL-SNAPSHOT")
 
     def mvnDeps = Seq(
       mvn"org.scala-lang:scala-reflect:${scalaVersion}",
@@ -63,7 +63,7 @@ object rocketchip extends ChippyPublishModule {
 
   object dependencies extends Module {
     object cde extends ChippyPublishModule {
-      def publishVersion = "0.0.1"
+      def publishVersion = sys.env.getOrElse("CHIPPY_VERSION", "LOCAL-SNAPSHOT")
       def artifactName = "cde"
 
       def sources = Task.Sources(this.moduleDir / "cde" / "src")
@@ -80,7 +80,7 @@ object rocketchip extends ChippyPublishModule {
     }
 
     object diplomacy extends ChippyPublishModule {
-      def publishVersion = "0.0.1"
+      def publishVersion = sys.env.getOrElse("CHIPPY_VERSION", "LOCAL-SNAPSHOT")
       def artifactName = "diplomacy"
 
       def sources = Task.Sources(this.moduleDir / "diplomacy" / "src")
@@ -99,7 +99,7 @@ object rocketchip extends ChippyPublishModule {
     }
 
     object hardfloat extends ChippyPublishModule {
-      def publishVersion = "0.0.1"
+      def publishVersion = sys.env.getOrElse("CHIPPY_VERSION", "LOCAL-SNAPSHOT")
       def artifactName = "hardfloat"
 
       def sources = Task.Sources(this.moduleDir / "hardfloat" / "src")
@@ -127,7 +127,7 @@ object rocketchip extends ChippyPublishModule {
 }
 
 object `rocketchip-blocks` extends ChippyPublishModule {
-  def publishVersion = "0.0.1"
+  def publishVersion = sys.env.getOrElse("CHIPPY_VERSION", "LOCAL-SNAPSHOT")
 
   def moduleDir = super.moduleDir / os.up / "rocket-chip-blocks"
 
@@ -144,7 +144,7 @@ object `rocketchip-blocks` extends ChippyPublishModule {
 }
 
 object `rocketchip-inclusive-cache` extends ChippyPublishModule {
-  def publishVersion = "0.0.1"
+  def publishVersion = sys.env.getOrElse("CHIPPY_VERSION", "LOCAL-SNAPSHOT")
 
   def moduleDir = super.moduleDir / os.up / "rocket-chip-inclusive-cache"
   def sources = Task.Sources(moduleDir / "design" / "craft" / "inclusivecache")
@@ -162,7 +162,7 @@ object `rocketchip-inclusive-cache` extends ChippyPublishModule {
 }
 
 object testchipip extends ChippyPublishModule {
-  def publishVersion = "0.0.1"
+  def publishVersion = sys.env.getOrElse("CHIPPY_VERSION", "LOCAL-SNAPSHOT")
 
   def resources = Task.Sources { moduleDir / "src" / "main" / "resources" }
 
@@ -179,7 +179,7 @@ object testchipip extends ChippyPublishModule {
 }
 
 object constellation extends ChippyPublishModule {
-  def publishVersion = "0.0.1"
+  def publishVersion = sys.env.getOrElse("CHIPPY_VERSION", "LOCAL-SNAPSHOT")
 
   def sources = Task.Sources(this.moduleDir / "src" / "main")
 
@@ -204,7 +204,7 @@ object constellation extends ChippyPublishModule {
 }
 
 object chippy extends ChippyPublishModule {
-  def publishVersion = "0.0.1"
+  def publishVersion = sys.env.getOrElse("CHIPPY_VERSION", "LOCAL-SNAPSHOT")
 
   def moduleDeps = Seq(rocketchip.dependencies.cde, rocketchip.dependencies.diplomacy, rocketchip)
 
@@ -219,7 +219,7 @@ object chippy extends ChippyPublishModule {
 }
 
 object chipyard extends ChippyPublishModule {
-  def publishVersion = "0.0.1"
+  def publishVersion = sys.env.getOrElse("CHIPPY_VERSION", "LOCAL-SNAPSHOT")
 
   def sources = Task.Sources(this.moduleDir / "src" / "main")
   def resources = Task.Sources { moduleDir / "src" / "main" / "resources" }