diff --git a/platform/mv3/chromium/manifest.json b/platform/mv3/chromium/manifest.json
index 0fa3b5b70..81c55d87e 100644
--- a/platform/mv3/chromium/manifest.json
+++ b/platform/mv3/chromium/manifest.json
@@ -38,6 +38,6 @@
     "storage"
   ],
   "short_name": "uBO Lite",
-  "version": "1",
+  "version": "1.0",
   "web_accessible_resources": []
 }
diff --git a/platform/mv3/firefox/manifest.json b/platform/mv3/firefox/manifest.json
index c521950c8..d100f04b3 100644
--- a/platform/mv3/firefox/manifest.json
+++ b/platform/mv3/firefox/manifest.json
@@ -45,6 +45,6 @@
     "storage"
   ],
   "short_name": "uBO Lite",
-  "version": "1",
+  "version": "1.0",
   "web_accessible_resources": []
 }