diff --git a/Gemfile.lock b/Gemfile.lock
index 79019fad..3b7b8dea 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -64,9 +64,9 @@ GEM
       autoprefixer-rails (>= 5.2.1)
       sass (>= 3.3.4)
     builder (3.2.3)
-    bullet (5.7.5)
+    bullet (5.9.0)
       activesupport (>= 3.0.0)
-      uniform_notifier (~> 1.11.0)
+      uniform_notifier (~> 1.11)
     byebug (10.0.2)
     childprocess (0.9.0)
       ffi (~> 1.0, >= 1.0.11)
@@ -260,7 +260,7 @@ GEM
     uglifier (4.1.17)
       execjs (>= 0.3.0, < 3)
     unicode-display_width (1.4.0)
-    uniform_notifier (1.11.0)
+    uniform_notifier (1.12.1)
     websocket (1.2.8)
     websocket-driver (0.7.0)
       websocket-extensions (>= 0.1.0)