diff --git a/Gemfile.lock b/Gemfile.lock
index 890513a..7b3cf70 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -77,7 +77,7 @@ GEM
     builder (3.2.4)
     byebug (11.1.3)
     charlock_holmes (0.7.7)
-    concurrent-ruby (1.1.8)
+    concurrent-ruby (1.1.9)
     crack (0.4.5)
       rexml
     crass (1.0.6)
@@ -110,7 +110,7 @@ GEM
     hashdiff (1.0.1)
     hashie (4.1.0)
     htmlentities (4.3.4)
-    i18n (1.8.7)
+    i18n (1.8.10)
       concurrent-ruby (~> 1.0)
     iso_country_codes (0.7.8)
     jbuilder (2.11.2)
@@ -132,7 +132,7 @@ GEM
       rake
     mini_mime (1.0.2)
     mini_portile2 (2.5.3)
-    minitest (5.14.3)
+    minitest (5.14.4)
     msgpack (1.4.2)
     multi_json (1.14.1)
     multipart-post (2.1.1)
@@ -234,8 +234,8 @@ GEM
       crass (~> 1.0.2)
       nokogiri (>= 1.8.0)
       nokogumbo (~> 2.0)
-    shoulda-matchers (4.5.1)
-      activesupport (>= 4.2.0)
+    shoulda-matchers (5.0.0)
+      activesupport (>= 5.2.0)
     simplecov (0.21.2)
       docile (~> 1.1)
       simplecov-html (~> 0.11)