diff --git a/Gemfile b/Gemfile
index 23c20cad4..6c9ed4e8a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -274,7 +274,7 @@ group :test do
 
   gem "capybara",           "2.7.1"
   gem "database_cleaner",   "1.5.3"
-  gem "poltergeist",        "1.9.0"
+  gem "poltergeist",        "1.10.0"
 
   gem "cucumber-api-steps", "0.13", require: false
   gem "json_spec", "1.1.4"
diff --git a/Gemfile.lock b/Gemfile.lock
index a8ec44b3c..6e837cd98 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -576,10 +576,9 @@ GEM
     pg (0.18.4)
     phantomjs (2.1.1.0)
     pkg-config (1.1.7)
-    poltergeist (1.9.0)
+    poltergeist (1.10.0)
       capybara (~> 2.1)
       cliver (~> 0.3.1)
-      multi_json (~> 1.0)
       websocket-driver (>= 0.2.0)
     powerpack (0.1.1)
     pronto (0.7.0)
@@ -976,7 +975,7 @@ DEPENDENCIES
   open_graph_reader (= 0.6.1)
   openid_connect (= 0.11.2)
   pg (= 0.18.4)
-  poltergeist (= 1.9.0)
+  poltergeist (= 1.10.0)
   pronto (= 0.7.0)
   pronto-eslint (= 0.7.0)
   pronto-haml (= 0.7.0)