diff --git a/Gemfile.lock b/Gemfile.lock
index d61f37e0..4fe36033 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -152,15 +152,15 @@ GEM
       activesupport (>= 3.0)
       logstash-event (~> 1.2.0)
       request_store
-    loofah (2.12.0)
+    loofah (2.21.3)
       crass (~> 1.0.2)
-      nokogiri (>= 1.5.9)
+      nokogiri (>= 1.12.0)
     lumberjack (1.0.10)
     mail (2.7.1)
       mini_mime (>= 0.1.1)
     method_source (0.9.0)
     mini_mime (1.1.2)
-    mini_portile2 (2.6.1)
+    mini_portile2 (2.8.4)
     minitest (5.14.4)
     modware (0.1.3)
       key_struct (~> 0.4)
@@ -168,8 +168,8 @@ GEM
     nenv (0.3.0)
     newrelic_rpm (6.12.0.367)
     nio4r (2.5.8)
-    nokogiri (1.12.5)
-      mini_portile2 (~> 2.6.1)
+    nokogiri (1.15.4)
+      mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     notiffany (0.1.0)
       nenv (~> 0.1)
@@ -183,7 +183,7 @@ GEM
       nio4r (~> 2.0)
     pundit (1.1.0)
       activesupport (>= 3.0.0)
-    racc (1.6.0)
+    racc (1.7.1)
     rack (1.6.13)
     rack-cors (1.0.6)
       rack (>= 1.6.0)
@@ -208,8 +208,9 @@ GEM
       activesupport (>= 4.2.0, < 5.0)
       nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.4.2)
-      loofah (~> 2.3)
+    rails-html-sanitizer (1.6.0)
+      loofah (~> 2.21)
+      nokogiri (~> 1.14)
     railties (4.2.11.3)
       actionpack (= 4.2.11.3)
       activesupport (= 4.2.11.3)