diff --git a/package-lock.json b/package-lock.json
index 624b14e..e0e9f26 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@pwabuilder/pwainstall",
-  "version": "1.6.5",
+  "version": "1.6.6",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/src/pwa-install.ts b/src/pwa-install.ts
index c3c9443..f70090b 100644
--- a/src/pwa-install.ts
+++ b/src/pwa-install.ts
@@ -189,6 +189,11 @@ export class pwainstall extends LitElement {
         background: var(--install-button-color);
       }
 
+      #openButton:focus {
+        outline: auto;
+        outline: -webkit-focus-ring-color auto 1px;
+      }
+
       #installButton,
       #installCancelButton {
         min-width: 130px;