diff --git a/Gemfile b/Gemfile
index e091a8a80..c74c88259 100644
--- a/Gemfile
+++ b/Gemfile
@@ -22,7 +22,7 @@ gem "json-schema", "2.5.1"
 
 # Authentication
 
-gem "devise", "3.5.1"
+gem "devise", "3.5.2"
 gem "devise_lastseenable", "0.0.6"
 gem "devise-token_authenticatable", "~> 0.4.0"
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 3e071e828..bd7991845 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -133,7 +133,7 @@ GEM
       nokogiri (~> 1.5)
       rails (>= 3, < 5)
     database_cleaner (1.5.0)
-    devise (3.5.1)
+    devise (3.5.2)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
       railties (>= 3.2.6, < 5)
@@ -762,7 +762,7 @@ DEPENDENCIES
   configurate (= 0.3.1)
   cucumber-rails (= 1.4.2)
   database_cleaner (= 1.5.0)
-  devise (= 3.5.1)
+  devise (= 3.5.2)
   devise-token_authenticatable (~> 0.4.0)
   devise_lastseenable (= 0.0.6)
   diaspora-vines (~> 0.2.0.develop)