diff --git a/Gemfile.lock b/Gemfile.lock
index 28d56c0..a7378a6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -60,7 +60,7 @@ GEM
       multi_xml (>= 0.5.2)
     i18n (1.10.0)
       concurrent-ruby (~> 1.0)
-    loofah (2.14.0)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -74,7 +74,9 @@ GEM
     minitest (5.15.0)
     multi_xml (0.6.0)
     nio4r (2.5.8)
-    nokogiri (1.13.3-x86_64-darwin)
+    nokogiri (1.13.6-x86_64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.13.6-x86_64-linux)
       racc (~> 1.4)
     racc (1.6.0)
     rack (2.2.3)
@@ -96,7 +98,7 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.4.2)
+    rails-html-sanitizer (1.4.3)
       loofah (~> 2.3)
     railties (5.2.6.2)
       actionpack (= 5.2.6.2)
@@ -123,6 +125,7 @@ GEM
 
 PLATFORMS
   x86_64-darwin-19
+  x86_64-linux
 
 DEPENDENCIES
   openlab_ruby!