diff --git a/Gemfile.lock b/Gemfile.lock
index 082c20af..02836732 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -106,7 +106,7 @@ GEM
       actionpack (>= 6.1)
       activemodel (>= 6.1)
     builder (3.2.4)
-    bullet (7.1.5)
+    bullet (7.1.6)
       activesupport (>= 3.0.0)
       uniform_notifier (~> 1.11)
     carrierwave (2.1.0)
@@ -118,7 +118,7 @@ GEM
       mini_mime (>= 0.1.3)
     chunky_png (1.4.0)
     colorize (1.1.0)
-    concurrent-ruby (1.2.2)
+    concurrent-ruby (1.2.3)
     connection_pool (2.4.1)
     crass (1.0.6)
     cssbundling-rails (1.3.3)
@@ -266,7 +266,7 @@ GEM
     mini_magick (4.12.0)
     mini_mime (1.1.5)
     mini_portile2 (2.8.5)
-    minitest (5.21.1)
+    minitest (5.21.2)
     msgpack (1.7.2)
     multi_json (1.15.0)
     multi_xml (0.6.0)