diff --git a/Gemfile b/Gemfile
index 1c5beb7d3..ec5b4498e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -77,7 +77,7 @@ group :test do
   gem 'coveralls', '~> 0.8.21', require: false
   gem 'database_cleaner', '~> 1.6.1'
   gem 'email_spec', '~> 2.1.0'
-  gem 'poltergeist', '~> 1.15.0'
+  gem 'poltergeist', '~> 1.17.0'
   gem 'rspec-rails', '~> 3.6'
 end
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 824eb9880..46678d1db 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -311,7 +311,7 @@ GEM
       activerecord (>= 4.2)
       activesupport (>= 4.2)
       arel (>= 6)
-    poltergeist (1.15.0)
+    poltergeist (1.17.0)
       capybara (~> 2.1)
       cliver (~> 0.3.1)
       websocket-driver (>= 0.2.0)
@@ -478,9 +478,9 @@ GEM
       activemodel (>= 4.2)
       debug_inspector
       railties (>= 4.2)
-    websocket-driver (0.6.5)
+    websocket-driver (0.7.0)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.2)
+    websocket-extensions (0.1.3)
     whenever (0.9.7)
       chronic (>= 0.6.3)
     xpath (3.0.0)
@@ -542,7 +542,7 @@ DEPENDENCIES
   paranoia (~> 2.3.1)
   pg (~> 0.21.0)
   pg_search (~> 2.0.1)
-  poltergeist (~> 1.15.0)
+  poltergeist (~> 1.17.0)
   quiet_assets (~> 1.1.0)
   rails (= 4.2.10)
   rails-assets-leaflet!