diff --git a/Gemfile.lock b/Gemfile.lock
index 34aab78..e44043f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -244,7 +244,7 @@ GEM
       reline (>= 0.2.7)
     jbuilder (2.11.2)
       activesupport (>= 5.0.0)
-    loofah (2.12.0)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -256,7 +256,9 @@ GEM
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
     nio4r (2.5.8)
-    nokogiri (1.12.5-x86_64-darwin)
+    nokogiri (1.13.6-x86_64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.13.6-x86_64-linux)
       racc (~> 1.4)
     oj (3.13.9)
     oj_mimic_json (1.0.1)
@@ -294,7 +296,7 @@ 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)
     rails_12factor (0.0.3)
       rails_serve_static_assets
@@ -417,6 +419,7 @@ GEM
 
 PLATFORMS
   x86_64-darwin-20
+  x86_64-linux
 
 DEPENDENCIES
   active_record_query_trace