diff --git a/circle.yml b/circle.yml
index b59eee37..ed714bbd 100644
--- a/circle.yml
+++ b/circle.yml
@@ -9,7 +9,7 @@ machine:
 
 dependencies:
   pre:
-    - npm i -g get-firefox geckodriver
+    - npm i -g get-firefox geckodriver nsp
     - get-firefox --platform linux --extract --target /home/ubuntu/send
 
 deployment:
@@ -33,3 +33,4 @@ test:
   override:
     - npm run lint
     - npm test
+    - nsp check
diff --git a/public/favicon.ico b/public/favicon.ico
new file mode 100644
index 00000000..6afb7ed7
Binary files /dev/null and b/public/favicon.ico differ