diff --git a/Gemfile.lock b/Gemfile.lock
index 387186f1d..e82942429 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -634,7 +634,7 @@ GEM
       activesupport (>= 4.2)
       rack-proxy (>= 0.6.1)
       railties (>= 4.2)
-    webpush (0.3.3)
+    webpush (0.3.4)
       hkdf (~> 0.2)
       jwt (~> 2.0)
     websocket-driver (0.7.0)