diff --git a/Gemfile.lock b/Gemfile.lock
index c9f39191f..83db7583d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -273,7 +273,7 @@ GEM
       domain_name (~> 0.5)
     http_parser.rb (0.6.0)
     httpclient (2.8.3)
-    i18n (1.4.0)
+    i18n (1.5.3)
       concurrent-ruby (~> 1.0)
     ipaddress (0.8.3)
     jaro_winkler (1.5.2)
@@ -555,8 +555,8 @@ GEM
       faraday (>= 0.7.6, < 1.0)
     sexp_processor (4.11.0)
     shellany (0.0.1)
-    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)