diff --git a/Gemfile.lock b/Gemfile.lock
index d5bb09b..90f2078 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -143,7 +143,7 @@ GEM
     listen (3.7.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    loofah (2.12.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -164,7 +164,9 @@ GEM
     net-http-pipeline (1.0.1)
     netrc (0.11.0)
     nio4r (2.5.8)
-    nokogiri (1.12.5-x86_64-darwin)
+    nokogiri (1.13.10-x86_64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.13.10-x86_64-linux)
       racc (~> 1.4)
     orm_adapter (0.5.0)
     pg (1.2.3)
@@ -173,7 +175,7 @@ GEM
     pusher-client (0.6.2)
       json
       websocket (~> 1.0)
-    racc (1.6.0)
+    racc (1.6.1)
     rack (2.2.3)
     rack-proxy (0.7.0)
       rack
@@ -197,8 +199,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.4.2)
-      loofah (~> 2.3)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     railties (6.1.4.1)
       actionpack (= 6.1.4.1)
       activesupport (= 6.1.4.1)
@@ -316,6 +318,7 @@ GEM
 
 PLATFORMS
   x86_64-darwin-19
+  x86_64-linux
 
 DEPENDENCIES
   bootsnap (>= 1.1.0)