diff --git a/Gemfile.lock b/Gemfile.lock
index 00ec7a7e..b4e9a096 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -152,7 +152,7 @@ GEM
     listen (3.7.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    loofah (2.13.0)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -169,7 +169,7 @@ GEM
     msgpack (1.4.4)
     multi_test (0.1.2)
     nio4r (2.5.8)
-    nokogiri (1.13.3)
+    nokogiri (1.13.6)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     pg (1.3.1)
@@ -200,7 +200,7 @@ 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-i18n (7.0.1)
       i18n (>= 0.7, < 2)