diff --git a/Gemfile.lock b/Gemfile.lock
index ed10b406..d4414dfa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -85,7 +85,7 @@ GEM
       autoprefixer-rails (>= 5.2.1)
       sassc (>= 2.0.0)
     builder (3.2.4)
-    bullet (6.1.0)
+    bullet (6.1.2)
       activesupport (>= 3.0.0)
       uniform_notifier (~> 1.11)
     byebug (11.1.3)
@@ -300,7 +300,7 @@ GEM
       rails (>= 5.0)
       safe_yaml (>= 0.8.6)
       sassc
-    tzinfo (1.2.8)
+    tzinfo (1.2.9)
       thread_safe (~> 0.1)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)