diff --git a/Gemfile.lock b/Gemfile.lock
index 7eaa7ed..eef9aa0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -65,11 +65,10 @@ GEM
       msgpack (~> 1.0)
     builder (3.2.3)
     byebug (11.0.1)
-    cancancan (3.0.1)
     coercible (1.0.0)
       descendants_tracker (~> 0.0.1)
     concurrent-ruby (1.1.5)
-    crass (1.0.4)
+    crass (1.0.5)
     descendants_tracker (0.0.4)
       thread_safe (~> 0.3, >= 0.3.1)
     devise (4.7.1)
@@ -106,7 +105,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.3)
+    loofah (2.3.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -124,7 +123,7 @@ GEM
     mustermann-grape (1.0.0)
       mustermann (~> 1.0.0)
     nio4r (2.5.2)
-    nokogiri (1.10.4)
+    nokogiri (1.10.5)
       mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
     puma (3.12.1)
@@ -219,7 +218,6 @@ PLATFORMS
 DEPENDENCIES
   bootsnap (>= 1.4.2)
   byebug
-  cancancan (~> 3.0, >= 3.0.1)
   devise (~> 4.7, >= 4.7.1)
   factory_bot_rails (~> 5.0, >= 5.0.2)
   grape (~> 1.2, >= 1.2.4)