diff --git a/background/background.js b/background/background.js
index 5dbab71..70403d2 100644
--- a/background/background.js
+++ b/background/background.js
@@ -21,7 +21,7 @@ Find.register("Background", function(self) {
     Find.browser.contextMenus.removeAll(() => {
         Find.browser.contextMenus.create({
             title: Find.browser.i18n.getMessage("contextmenu_show_help_title"),
-            contexts: [(Find.browserId !== 'Firefox') ? "action" : "browser_action"],
+            contexts: ["action"],
             id: 'show-help'
         });
 
diff --git a/manifest_firefox.json b/manifest_firefox.json
index 8f0d0c5..9e245ae 100644
--- a/manifest_firefox.json
+++ b/manifest_firefox.json
@@ -3,13 +3,15 @@
   "short_name": "find+",
   "version": "1",
   "author": "Brandon Richardson, Michael Walz",
-  "manifest_version": 2,
+  "manifest_version": 3,
   "description": "__MSG_extension_description__",
   "default_locale": "en",
   "permissions": [
     "activeTab",
     "storage",
-    "contextMenus",
+    "contextMenus"
+  ],
+  "host_permissions": [
     "<all_urls>"
   ],
   "icons": {
@@ -17,8 +19,12 @@
     "16": "resources/icon.png",
     "48": "resources/icon.png"
   },
-  "browser_action": {
-    "default_icon": "resources/icon.png",
+  "action": {
+    "default_icon": {
+      "128": "resources/icon.png",
+      "16": "resources/icon.png",
+      "48": "resources/icon.png"
+    },
     "default_popup": "popup/popup.html"
   },
   "background": {
@@ -46,7 +52,7 @@
     "keyword" : "findplus"
   },
   "commands": {
-    "_execute_browser_action": {
+    "_execute_action": {
       "suggested_key": {
         "default": "Ctrl+Shift+F",
         "mac": "MacCtrl+Shift+F"