diff --git a/Gemfile b/Gemfile
index 7dcb7ac6c..471ded232 100644
--- a/Gemfile
+++ b/Gemfile
@@ -26,7 +26,7 @@ gem "json-schema", "2.8.0"
 
 # Authentication
 
-gem "devise", "4.3.0"
+gem "devise", "4.4.1"
 gem "devise_lastseenable", "0.0.6"
 
 # Captcha
diff --git a/Gemfile.lock b/Gemfile.lock
index d12f38e84..cbb601ee6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -133,7 +133,7 @@ GEM
       tins (~> 1.6)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
-    crass (1.0.2)
+    crass (1.0.3)
     cucumber (2.4.0)
       builder (>= 2.1.2)
       cucumber-core (~> 1.5.0)
@@ -156,7 +156,7 @@ GEM
       railties (>= 4, < 5.2)
     cucumber-wire (0.0.1)
     database_cleaner (1.6.1)
-    devise (4.3.0)
+    devise (4.4.1)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
       railties (>= 4.1.0, < 5.2)
@@ -187,7 +187,7 @@ GEM
     entypo-rails (3.0.0)
       railties (>= 4.1, < 6)
     equalizer (0.0.11)
-    erubi (1.6.1)
+    erubi (1.7.0)
     eslintrb (2.1.0)
       execjs
       multi_json (>= 1.3)
@@ -306,7 +306,8 @@ GEM
     httparty (0.15.6)
       multi_xml (>= 0.5.2)
     httpclient (2.8.3)
-    i18n (0.8.6)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     i18n-inflector (2.6.7)
       i18n (>= 0.4.1)
     i18n-inflector-rails (1.0.7)
@@ -359,7 +360,7 @@ GEM
       multi_json (~> 1.10)
     logging-rails (0.6.0)
       logging (>= 1.8)
-    loofah (2.1.1)
+    loofah (2.2.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.12)
@@ -377,7 +378,7 @@ GEM
     mini_magick (4.8.0)
     mini_mime (0.1.4)
     mini_portile2 (2.3.0)
-    minitest (5.10.3)
+    minitest (5.11.3)
     mobile-fu (1.4.0)
       rack-mobile-detect
       rails
@@ -473,7 +474,7 @@ GEM
       byebug (~> 9.1)
       pry (~> 0.10)
     public_suffix (3.0.0)
-    rack (2.0.3)
+    rack (2.0.4)
     rack-cors (1.0.1)
     rack-google-analytics (1.2.0)
       actionpack
@@ -492,7 +493,7 @@ GEM
     rack-rewrite (1.5.1)
     rack-ssl (1.4.1)
       rack
-    rack-test (0.7.0)
+    rack-test (0.8.2)
       rack (>= 1.0, < 3)
     rails (5.1.4)
       actioncable (= 5.1.4)
@@ -576,7 +577,7 @@ GEM
     rainbow (2.2.2)
       rake
     raindrops (0.19.0)
-    rake (12.1.0)
+    rake (12.3.0)
     rb-fsevent (0.10.2)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
@@ -712,7 +713,7 @@ GEM
       unf (~> 0.1.0)
     typhoeus (1.3.0)
       ethon (>= 0.9.0)
-    tzinfo (1.2.3)
+    tzinfo (1.2.5)
       thread_safe (~> 0.1)
     uglifier (3.2.0)
       execjs (>= 0.3.0, < 3)
@@ -780,7 +781,7 @@ DEPENDENCIES
   cucumber-api-steps (= 0.13)
   cucumber-rails (= 1.5.0)
   database_cleaner (= 1.6.1)
-  devise (= 4.3.0)
+  devise (= 4.4.1)
   devise_lastseenable (= 0.0.6)
   diaspora-prosody-config (= 0.0.7)
   diaspora_federation-json_schema (= 0.2.3)