diff --git a/Gemfile.lock b/Gemfile.lock
index 7741a54..13e6814 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,7 +9,7 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (5.2.2)
+    activesupport (5.2.8.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
@@ -17,7 +17,7 @@ GEM
     addressable (2.6.0)
       public_suffix (>= 2.0.2, < 4.0)
     coderay (1.1.2)
-    concurrent-ruby (1.1.4)
+    concurrent-ruby (1.1.10)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
     diff-lcs (1.3)
@@ -25,12 +25,12 @@ GEM
     httparty (0.16.4)
       mime-types (~> 3.0)
       multi_xml (>= 0.5.2)
-    i18n (1.6.0)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)
-    minitest (5.11.3)
+    minitest (5.15.0)
     multi_xml (0.6.0)
     mustermann (1.0.3)
     public_suffix (3.0.3)
@@ -68,7 +68,7 @@ GEM
     smart_properties (1.13.1)
     thread_safe (0.3.6)
     tilt (2.0.9)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     tzinfo-data (1.2018.5)
       tzinfo (>= 1.0.0)