Update dependencies

Gemfile.lock

@@ -6,19 +6,30 @@ PATH
 GEM
   remote: http://rubygems.org/
   specs:
-    activesupport (3.1.1)
-      multi_json (~> 1.0)
-    factory_girl (2.2.0)
-      activesupport
-    guard (0.8.8)
-      thor (~> 0.14.6)
-    guard-test (0.4.1)
-      guard (>= 0.4)
-      test-unit (~> 2.2)
-    multi_json (1.0.3)
-    rake (0.9.2.2)
-    test-unit (2.4.1)
-    thor (0.14.6)
+    activesupport (6.0.2.1)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 0.7, < 2)
+      minitest (~> 5.1)
+      tzinfo (~> 1.1)
+      zeitwerk (~> 2.2)
+    concurrent-ruby (1.1.6)
+    factory_girl (4.9.0)
+      activesupport (>= 3.0.0)
+    guard-compat (1.2.1)
+    guard-test (2.0.8)
+      guard-compat (~> 1.2)
+      test-unit (~> 3.0)
+    i18n (1.8.2)
+      concurrent-ruby (~> 1.0)
+    minitest (5.14.0)
+    power_assert (1.1.6)
+    rake (13.0.1)
+    test-unit (3.3.5)
+      power_assert
+    thread_safe (0.3.6)
+    tzinfo (1.2.6)
+      thread_safe (~> 0.1)
+    zeitwerk (2.2.2)
 
 PLATFORMS
   ruby
@@ -28,3 +39,6 @@ DEPENDENCIES
   guard-test
   hsmr!
   rake
+
+BUNDLED WITH
+   2.1.2