diff --git a/fastlane/Fastfile b/fastlane/Fastfile
index 7cd3c01..7b34e97 100644
--- a/fastlane/Fastfile
+++ b/fastlane/Fastfile
@@ -99,6 +99,15 @@ platform :mac do
     zip_app
   end
 
+  lane :sync_version_to_manifest do
+    ['package.json', 'Refined GitHub Extension/manifest.json'].each do |file|
+      file_path = File.join(project_path, file)
+      data = JSON.parse(File.read(file_path))
+      data['version'] = marketing_version_number
+      File.write(file_path, JSON.pretty_generate(data, indent: '  ') + "\n")
+    end
+  end
+
   lane :bump_version do
     increment_build_number_in_xcodeproj
     [APP_NAME, "#{APP_NAME} Extension"].each do |target|
@@ -107,7 +116,13 @@ platform :mac do
         target: target
       )
     end
-    commit_version_bump(message: "Version #{marketing_version_number}")
+
+    sync_version_to_manifest
+
+    commit_version_bump(
+      message: "Version #{marketing_version_number}",
+      include: ['package.json', 'Refined GitHub Extension/manifest.json']
+    )
   end
 
   lane :github_release do
diff --git a/fastlane/README.md b/fastlane/README.md
index 5932bb3..b8af5bf 100644
--- a/fastlane/README.md
+++ b/fastlane/README.md
@@ -51,6 +51,11 @@ fastlane mac set_team
 fastlane mac build_release
 ```
 
+### mac sync_version_to_manifest
+```
+fastlane mac sync_version_to_manifest
+```
+
 ### mac bump_version
 ```
 fastlane mac bump_version
diff --git a/package.json b/package.json
index 9e6d2db..70efbf9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "refined-github-safari",
-  "version": "2.0.5",
+  "version": "2.1.18",
   "description": "Safari port of refined-github",
   "main": "index.js",
   "scripts": {
@@ -15,6 +15,8 @@
   },
   "author": "Ville Lautanala <lautis@gmail.com>",
   "license": "ISC",
-  "dependencies": {},
-  "devDependencies": {}
+  "dependencies": {
+  },
+  "devDependencies": {
+  }
 }