diff --git a/Gemfile.lock b/Gemfile.lock
index 480023b0e5..17ce18d408 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -120,7 +120,7 @@ GEM
     bugsnag (6.27.1)
       concurrent-ruby (~> 1.0)
     builder (3.3.0)
-    bullet (7.2.0)
+    bullet (8.0.0)
       activesupport (>= 3.0.0)
       uniform_notifier (~> 1.11)
     capybara (3.40.0)
@@ -373,7 +373,7 @@ GEM
     method_source (1.1.0)
     mini_magick (4.13.2)
     mini_mime (1.1.5)
-    minitest (5.25.1)
+    minitest (5.25.2)
     monetize (1.12.0)
       money (~> 6.12)
     money (6.16.0)
@@ -388,7 +388,7 @@ GEM
     multipart-post (2.4.1)
     mustermann (3.0.0)
       ruby2_keywords (~> 0.0.1)
-    mutex_m (0.2.0)
+    mutex_m (0.3.0)
     nenv (0.3.0)
     net-http-persistent (4.0.2)
       connection_pool (~> 2.2)