diff --git a/Gemfile.lock b/Gemfile.lock
index cb3296e..13eb6d8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -55,7 +55,7 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.1.5)
+    concurrent-ruby (1.1.6)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
     crass (1.0.4)
@@ -75,7 +75,7 @@ GEM
     httparty (0.17.0)
       mime-types (~> 3.0)
       multi_xml (>= 0.5.2)
-    i18n (1.6.0)
+    i18n (1.8.2)
       concurrent-ruby (~> 1.0)
     jbuilder (2.9.1)
       activesupport (>= 4.2.0)
@@ -99,7 +99,7 @@ GEM
     mime-types-data (3.2019.0331)
     mini_mime (1.0.1)
     mini_portile2 (2.4.0)
-    minitest (5.11.3)
+    minitest (5.14.0)
     multi_xml (0.6.0)
     nio4r (2.4.0)
     nokogiri (1.10.3)
@@ -179,7 +179,7 @@ GEM
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
-    shoulda-matchers (4.1.1)
+    shoulda-matchers (4.3.0)
       activesupport (>= 4.2.0)
     simplecov (0.17.0)
       docile (~> 1.1)
@@ -207,7 +207,7 @@ GEM
     turbolinks (5.2.0)
       turbolinks-source (~> 5.2)
     turbolinks-source (5.2.0)
-    tzinfo (1.2.5)
+    tzinfo (1.2.6)
       thread_safe (~> 0.1)
     uglifier (4.1.20)
       execjs (>= 0.3.0, < 3)