diff --git a/Gemfile.lock b/Gemfile.lock
index 7169dd3..7f9851e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -115,6 +115,11 @@ GEM
     erubi (1.9.0)
     et-orbi (1.2.2)
       tzinfo
+    factory_bot (5.1.1)
+      activesupport (>= 4.2.0)
+    factory_bot_rails (5.1.1)
+      factory_bot (~> 5.1.0)
+      railties (>= 4.2.0)
     fast_jsonapi (1.5)
       activesupport (>= 4.2)
     ffi (1.12.1)
@@ -151,7 +156,7 @@ GEM
     msgpack (1.3.1)
     multi_xml (0.6.0)
     nio4r (2.5.2)
-    nokogiri (1.10.7)
+    nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
     pager_api (0.3.2)
     pagy (3.7.2)
@@ -245,6 +250,7 @@ PLATFORMS
 DEPENDENCIES
   bootsnap (>= 1.4.2)
   byebug
+  factory_bot_rails
   fast_jsonapi
   httparty
   listen (>= 3.0.5, < 3.2)