diff --git a/Gemfile b/Gemfile
index 6a104aaad..636280374 100644
--- a/Gemfile
+++ b/Gemfile
@@ -32,7 +32,7 @@ gem 'json-schema', '~> 2.8'
 gem 'librato-metrics', '~> 2.1.2'
 gem 'lograge'
 gem 'mime-types'
-gem 'omniauth', '~> 1.9'
+gem 'omniauth', '~> 2.1'
 gem 'omniauth-facebook', '~> 5.0'
 gem 'omniauth-google-oauth2'
 gem 'p3p', '~> 2.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index cf5998618..12afa36de 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -311,9 +311,10 @@ GEM
       multi_json (~> 1.3)
       multi_xml (~> 0.5)
       rack (>= 1.2, < 3)
-    omniauth (1.9.1)
+    omniauth (2.1.2)
       hashie (>= 3.4.6)
-      rack (>= 1.6.2, < 3)
+      rack (>= 2.2.3)
+      rack-protection
     omniauth-facebook (5.0.0)
       omniauth-oauth2 (~> 1.2)
     omniauth-google-oauth2 (0.5.4)
@@ -555,7 +556,7 @@ DEPENDENCIES
   mini_racer
   mock_redis
   newrelic_rpm
-  omniauth (~> 1.9)
+  omniauth (~> 2.1)
   omniauth-facebook (~> 5.0)
   omniauth-google-oauth2
   p3p (~> 2.0)