diff --git a/Gemfile b/Gemfile
index 613940a9f33..b565b56ebc7 100644
--- a/Gemfile
+++ b/Gemfile
@@ -24,7 +24,7 @@ gem 'faraday', '~> 0.12'
 
 # Authentication libraries
 gem 'devise', '~> 4.4'
-gem 'doorkeeper', '~> 4.3'
+gem 'doorkeeper', '~> 4.4'
 gem 'doorkeeper-openid_connect', '~> 1.5'
 gem 'omniauth', '~> 1.8'
 gem 'omniauth-auth0', '~> 2.0.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index d9b10a450ed..8b62939f0e9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -106,7 +106,7 @@ GEM
       activemodel (>= 5.0)
     brakeman (4.2.1)
     browser (2.5.3)
-    builder (3.2.3)
+    builder (3.2.4)
     bullet (5.5.1)
       activesupport (>= 3.0.0)
       uniform_notifier (~> 1.10.0)
@@ -152,7 +152,7 @@ GEM
     connection_pool (2.2.2)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
-    crass (1.0.4)
+    crass (1.0.6)
     creole (0.5.0)
     css_parser (1.5.0)
       addressable
@@ -187,7 +187,7 @@ GEM
     docile (1.1.5)
     domain_name (0.5.20180417)
       unf (>= 0.0.5, < 1.0.0)
-    doorkeeper (4.3.2)
+    doorkeeper (4.4.0)
       railties (>= 4.2)
     doorkeeper-openid_connect (1.5.0)
       doorkeeper (~> 4.3)
@@ -200,7 +200,7 @@ GEM
       mail (~> 2.7)
     encryptor (3.0.0)
     equalizer (0.0.11)
-    erubi (1.8.0)
+    erubi (1.9.0)
     escape_utils (1.2.1)
     et-orbi (1.1.7)
       tzinfo
@@ -421,7 +421,7 @@ GEM
       mime-types (~> 3.0)
       multi_xml (>= 0.5.2)
     httpclient (2.8.3)
-    i18n (1.6.0)
+    i18n (1.8.3)
       concurrent-ruby (~> 1.0)
     icalendar (2.4.1)
     ice_nine (0.11.2)
@@ -713,7 +713,7 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
+    rails-html-sanitizer (1.2.0)
       loofah (~> 2.2, >= 2.2.2)
     rails-i18n (5.1.1)
       i18n (>= 0.7, < 2)
@@ -726,7 +726,7 @@ GEM
       thor (>= 0.18.1, < 2.0)
     rainbow (3.0.0)
     raindrops (0.19.0)
-    rake (12.3.2)
+    rake (12.3.3)
     rb-fsevent (0.10.2)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
@@ -956,7 +956,7 @@ GEM
     truncato (0.7.11)
       htmlentities (~> 4.3.1)
       nokogiri (>= 1.7.0, <= 2.0)
-    tzinfo (1.2.5)
+    tzinfo (1.2.7)
       thread_safe (~> 0.1)
     u2f (0.2.1)
     uber (0.1.0)
@@ -1068,7 +1068,7 @@ DEPENDENCIES
   devise-two-factor (~> 3.0.0)
   diffy (~> 3.1.0)
   discordrb-webhooks-blackst0ne (~> 3.3)
-  doorkeeper (~> 4.3)
+  doorkeeper (~> 4.4)
   doorkeeper-openid_connect (~> 1.5)
   ed25519 (~> 1.2)
   email_reply_trimmer (~> 0.1)