diff --git a/.github/workflows/publish-firefox.yml b/.github/workflows/publish-firefox.yml
new file mode 100644
index 0000000..cde378c
--- /dev/null
+++ b/.github/workflows/publish-firefox.yml
@@ -0,0 +1,32 @@
+name: Publish Firefox Addon
+
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  publish-firefox-extension:
+    runs-on: ubuntu-latest
+    outputs:
+      xpi_filepath: ${{ steps.sign.outputs.xpi_filepath }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - uses: actions/setup-node@v3
+        with:
+          node-version-file: '.nvmrc'
+          cache: 'npm'
+      - name: Install npm modules
+        run: npm ci
+      - name: Build
+        run: |
+            npm run build-firefox
+      - name: Publish
+        env:
+          WEB_EXT_API_KEY: ${{ vars.FIREFOX_API_KEY }}
+          WEB_EXT_API_SECRET: ${{ secrets.FIREFOX_API_SECRET }}
+        # https://extensionworkshop.com/documentation/develop/web-ext-command-reference/#use-submission-api
+        run: npx web-ext sign --use-submission-api --channel=listed --source-dir=./dist/firefox
diff --git a/.gitignore b/.gitignore
index e1a8624..64aa27a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,3 +17,6 @@ xcuserdata/
 **/xcshareddata/WorkspaceSettings.xcsettings
 
 native-messaging-host/build/
+
+# Artifacts from signing the addon for Firefox
+web-ext-artifacts
diff --git a/manifest.firefox.json b/manifest.firefox.json
index 79999c9..2729175 100644
--- a/manifest.firefox.json
+++ b/manifest.firefox.json
@@ -1,7 +1,7 @@
 {
   "browser_specific_settings": {
     "gecko": {
-      "id": "keeweb-connect@keeweb.info"
+      "id": "keeweb-connect-addon@keeweb.info"
     }
   },
   "commands": {
diff --git a/package.json b/package.json
index 18aa758..e534704 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,8 @@
     "eslint": "eslint webpack.config.ts src scripts",
     "prettier": "prettier --write src/**/*.ts src/**/*.tsx pages/*.html styles/*.css",
     "download-translations": "ts-node scripts/download-translations",
-    "bump-version": "ts-node scripts/bump-version"
+    "bump-version": "ts-node scripts/bump-version",
+    "publish-firefox-addon": "node .github/publish-firefox-addon.js"
   },
   "repository": {
     "type": "git",