diff --git a/Gemfile.lock b/Gemfile.lock
index 7ad35640..03c25cdb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -107,7 +107,7 @@ GEM
       devise (>= 3.4.1)
       net-ldap (>= 0.16.0)
     docile (1.4.1)
-    doorkeeper (5.9.2)
+    doorkeeper (5.9.3)
       railties (>= 5)
     doorkeeper-i18n (5.2.9)
       doorkeeper (>= 5.2)
@@ -372,7 +372,7 @@ CHECKSUMS
   devise-security (0.18.0) sha256=fc06be1624b5151044ff9c5d8e61abdfa7d56eb16bfdaec16a11235d54708513
   devise_ldap_authenticatable (0.8.7) sha256=8af6f839661e24ca9afc5a1508a7ec7e1327e93af4516f2baabacdf511ee5a2e
   docile (1.4.1) sha256=96159be799bfa73cdb721b840e9802126e4e03dfc26863db73647204c727f21e
-  doorkeeper (5.9.2) sha256=cd4a43e0085f12afe36a8f0fc59d7f7d9ed2cb9d5c3d8a00cb9d5d845622d3f7
+  doorkeeper (5.9.3) sha256=e6d120235bd134494bd02d08e8063c994fc1a58a681285077e671529bfc5d90b
   doorkeeper-i18n (5.2.9) sha256=dea73afae44ffbf3bf7f2921b24ca801ee199d931591f15e24cb07af9c45b4a4
   dotenv (3.2.0) sha256=e375b83121ea7ca4ce20f214740076129ab8514cd81378161f11c03853fe619d
   dotenv-rails (3.2.0) sha256=657e25554ba622ffc95d8c4f1670286510f47f2edda9f68293c3f661b303beab