diff --git a/build/firefox/metadata.json b/build/firefox/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..2867265f98db813b4b7a7b3f68d4fb8763ead54c
--- /dev/null
+++ b/build/firefox/metadata.json
@@ -0,0 +1,45 @@
+{
+    "categories": [
+        "privacy-security",
+        "search-tools"
+    ],
+    "default_locale": "de",
+    "name": {
+        "de": "MetaGer Suche",
+        "en-US": "MetaGer Search"
+    },
+    "description": {
+        "de": "Privatsphäre war noch nie so einfach. Setzt MetaGer als Standard Suchmaschine für Sie.",
+        "en-US": "Privacy has never been so easy. Sets MetaGer as your default search engine and manages search settings for you."
+    },
+    "summary": {
+        "de": "Privatsphäre war noch nie so einfach. Setzt MetaGer als Standard Suchmaschine für Sie.",
+        "en-US": "Privacy has never been so easy. Sets MetaGer as your default search engine and manages search settings for you."
+    },
+    "homepage": {
+        "de": "https://metager.de/kontakt",
+        "en-US": " https://metager.org/kontakt "
+    },
+    "support_email": {
+        "de": "support+webextension@metager.de",
+        "en-US": " support+webextension@metager.org "
+    },
+    "version": {
+        "license": "GPL-3.0-or-later",
+        "compatibility": {
+            "firefox": {
+                "min": "115.0"
+            },
+            "android": {
+                "min": "120.0"
+            }
+        },
+        "release_notes": {
+            "de": "Fix: Defekter Link zur Hilfeseite für homomorphe Verschlüsselung\nFeature: Bessere lokalisierte Links zu MetaGer-Seiten\nFix: Einstellungen wurden bei Firefox für Android in einigen Fällen nicht gespeichert",
+            "en-US": "Fix: Broken link to help page for homomorphic encryption\nFeature: Better localized links to MetaGer pages\nFix: Settings failed to save on Firefox for Android in some cases"
+        }
+    },
+    "is_disabled": false,
+    "is_experimental": false,
+    "requires_payment": false
+}
\ No newline at end of file
diff --git a/build/manifest.json b/build/manifest.json
index d3a754c99e0c20f735b2ece54b53296450991488..39f8a38f1111498d625438c83db4bf155125c066 100644
--- a/build/manifest.json
+++ b/build/manifest.json
@@ -2,11 +2,15 @@
     "author": "SUMA-EV",
     "manifest_version": 3,
     "name": "__MSG_searchProviderName__",
-    "version": "0.1.0.2",
+    "version": "0.4",
     "description": "__MSG_extensionDescription__",
     "default_locale": "en",
     "browser_specific_settings": {
         "gecko": {
+            "id": "firefoxextension@metager.de",
+            "strict_min_version": "115.0"
+        },
+        "gecko_android": {
             "id": "firefoxextension@metager.de",
             "strict_min_version": "120.0"
         }