diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d928ffa1..fdb1ba67 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,6 +13,13 @@ jobs:
       uses: actions/setup-node@v1
       with:
         node-version: '12.x'
+    - name: Set up git
+      run: |
+        sudo apt-get install -y git
+        git --version
+        git fetch origin $(git branch --show-current) --unshallow --tags > /dev/null 2> /dev/null
+        git status
+        git describe
     - name: Install dependencies
       run: npm ci
     - name: Lint
diff --git a/dev/data/manifest-variants.json b/dev/data/manifest-variants.json
index 2703d863..2a4cc867 100644
--- a/dev/data/manifest-variants.json
+++ b/dev/data/manifest-variants.json
@@ -2,7 +2,7 @@
     "manifest": {
         "manifest_version": 2,
         "name": "Yomichan",
-        "version": "21.4.30.1",
+        "version": "0.0.0.0",
         "description": "Japanese dictionary with Anki integration",
         "author": "Alex Yatskov",
         "icons": {
@@ -120,7 +120,18 @@
     "variants": [
         {
             "name": "base",
-            "buildable": false
+            "buildable": false,
+            "modifications": [
+                {
+                    "action": "set",
+                    "path": ["version"],
+                    "command": {
+                        "command": "git",
+                        "args": ["describe", "--abbrev=0"],
+                        "trim": true
+                    }
+                }
+            ]
         },
         {
             "name": "chrome",
diff --git a/ext/manifest.json b/ext/manifest.json
index e59d0c22..a002cb47 100644
--- a/ext/manifest.json
+++ b/ext/manifest.json
@@ -1,7 +1,7 @@
 {
     "manifest_version": 2,
     "name": "Yomichan",
-    "version": "21.4.30.1",
+    "version": "21.4.30.0",
     "description": "Japanese dictionary with Anki integration",
     "author": "Alex Yatskov",
     "icons": {