diff --git a/Gemfile.lock b/Gemfile.lock
index f590e26..10bcc04 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,29 +1,29 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activemodel (5.2.3)
-      activesupport (= 5.2.3)
-    activerecord (5.2.3)
-      activemodel (= 5.2.3)
-      activesupport (= 5.2.3)
+    activemodel (5.2.4.5)
+      activesupport (= 5.2.4.5)
+    activerecord (5.2.4.5)
+      activemodel (= 5.2.4.5)
+      activesupport (= 5.2.4.5)
       arel (>= 9.0)
-    activesupport (5.2.3)
+    activesupport (5.2.4.5)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     arel (9.0.0)
     coderay (1.1.2)
-    concurrent-ruby (1.1.5)
+    concurrent-ruby (1.1.8)
     diff-lcs (1.3)
     docile (1.3.2)
     fast_jsonapi (1.5)
       activesupport (>= 4.2)
-    i18n (1.6.0)
+    i18n (1.8.9)
       concurrent-ruby (~> 1.0)
     json (2.2.0)
     method_source (0.9.2)
-    minitest (5.11.3)
+    minitest (5.14.4)
     mustermann (1.0.3)
     pg (1.1.4)
     pry (0.12.2)
@@ -66,7 +66,7 @@ GEM
       sinatra (>= 1.0)
     thread_safe (0.3.6)
     tilt (2.0.9)
-    tzinfo (1.2.5)
+    tzinfo (1.2.9)
       thread_safe (~> 0.1)
 
 PLATFORMS