diff --git a/Gemfile.lock b/Gemfile.lock
index 8f25051..1b01ad1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -66,7 +66,7 @@ GEM
     builder (3.2.4)
     byebug (11.1.3)
     coderay (1.1.2)
-    concurrent-ruby (1.1.6)
+    concurrent-ruby (1.1.8)
     connection_pool (2.2.3)
     coveralls (0.8.23)
       json (>= 1.8, < 3)
@@ -115,7 +115,7 @@ GEM
       guard-compat (~> 1.1)
       rspec (>= 2.99.0, < 4.0)
     hashdiff (1.0.1)
-    i18n (1.8.3)
+    i18n (1.8.9)
       concurrent-ruby (~> 1.0)
     jbuilder (2.10.0)
       activesupport (>= 5.0.0)
@@ -172,7 +172,7 @@ GEM
       mina (>= 1.0.2)
     mini_mime (1.0.2)
     mini_portile2 (2.5.0)
-    minitest (5.14.1)
+    minitest (5.14.4)
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
     nenv (0.3.0)
@@ -285,7 +285,7 @@ GEM
     sdoc (1.1.0)
       rdoc (>= 5.0)
     shellany (0.0.1)
-    shoulda-matchers (4.3.0)
+    shoulda-matchers (4.5.1)
       activesupport (>= 4.2.0)
     sidekiq (6.1.3)
       connection_pool (>= 2.2.2)
@@ -329,7 +329,7 @@ GEM
     turbolinks-source (5.2.0)
     typhoeus (1.4.0)
       ethon (>= 0.9.0)
-    tzinfo (1.2.7)
+    tzinfo (1.2.9)
       thread_safe (~> 0.1)
     tzinfo-data (1.2020.1)
       tzinfo (>= 1.0.0)
@@ -350,7 +350,7 @@ GEM
     websocket-driver (0.7.2)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
-    zeitwerk (2.3.0)
+    zeitwerk (2.4.2)
 
 PLATFORMS
   ruby