diff --git a/Gemfile.lock b/Gemfile.lock
index 3757d37..ba9eb50 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,7 +3,7 @@ GIT
   revision: 3c31c0f0adaa028c6c58a4fe09b81b332d5fcae9
   specs:
     mongoid (7.3.0)
-      activemodel (>= 6.0, < 6.2)
+      activemodel (>= 5.1, < 6.2)
       mongo (>= 2.10.5, < 3.0.0)
 
 GEM
@@ -135,7 +135,7 @@ GEM
     listen (3.5.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    loofah (2.10.0)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -149,7 +149,7 @@ GEM
     msgpack (1.4.2)
     nested_form (0.3.2)
     nio4r (2.5.7)
-    nokogiri (1.11.7-x86_64-linux)
+    nokogiri (1.13.6-x86_64-linux)
       racc (~> 1.4)
     orm_adapter (0.5.0)
     public_suffix (4.0.6)
@@ -157,7 +157,7 @@ GEM
       nio4r (~> 2.0)
     pundit (2.1.0)
       activesupport (>= 3.0.0)
-    racc (1.5.2)
+    racc (1.6.0)
     rack (2.2.3)
     rack-mini-profiler (2.3.2)
       rack (>= 1.2.0)
@@ -186,7 +186,7 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.3.0)
+    rails-html-sanitizer (1.4.3)
       loofah (~> 2.3)
     rails_admin (2.1.1)
       activemodel-serializers-xml (>= 1.0)