diff --git a/Gemfile.lock b/Gemfile.lock
index 4382c902..35de0025 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -81,7 +81,7 @@ GEM
       msgpack (~> 1.2)
     brakeman (6.1.0)
     builder (3.2.4)
-    bullet (7.0.7)
+    bullet (7.1.6)
       activesupport (>= 3.0.0)
       uniform_notifier (~> 1.11)
     capistrano (3.18.0)
@@ -110,7 +110,7 @@ GEM
       rubyzip (>= 1.3.0, < 3)
     code-scanning-rubocop (0.6.1)
       rubocop (~> 1.0)
-    concurrent-ruby (1.2.2)
+    concurrent-ruby (1.2.3)
     connection_pool (2.4.1)
     crass (1.0.6)
     database_cleaner-active_record (2.1.0)
@@ -190,7 +190,7 @@ GEM
     mini_magick (4.12.0)
     mini_mime (1.1.5)
     mini_portile2 (2.8.5)
-    minitest (5.20.0)
+    minitest (5.21.2)
     msgpack (1.7.2)
     nested_form (0.3.2)
     net-imap (0.4.8)