diff --git a/Gemfile.lock b/Gemfile.lock
index 1b359f2..2fd3fbb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -65,7 +65,7 @@ GEM
     childprocess (0.9.0)
       ffi (~> 1.0, >= 1.0.11)
     coderay (1.1.2)
-    concurrent-ruby (1.1.4)
+    concurrent-ruby (1.1.5)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
     crass (1.0.4)
@@ -106,7 +106,7 @@ GEM
       domain_name (~> 0.5)
     http-form_data (2.1.1)
     http_parser.rb (0.6.0)
-    i18n (1.5.2)
+    i18n (1.6.0)
       concurrent-ruby (~> 1.0)
     io-like (0.3.0)
     jwt (1.5.6)
@@ -221,8 +221,8 @@ GEM
     selenium-webdriver (3.141.0)
       childprocess (~> 0.5)
       rubyzip (~> 1.2, >= 1.2.2)
-    shoulda-matchers (3.1.2)
-      activesupport (>= 4.0.0)
+    shoulda-matchers (4.0.1)
+      activesupport (>= 4.2.0)
     simple_form (4.1.0)
       actionpack (>= 5.0)
       activemodel (>= 5.0)