diff --git a/Gemfile.lock b/Gemfile.lock
index 9c3d7b1..9c88673 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -138,7 +138,7 @@ GEM
     listen (3.7.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    loofah (2.18.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -156,7 +156,7 @@ GEM
       net-protocol
       timeout
     nio4r (2.5.8)
-    nokogiri (1.13.8)
+    nokogiri (1.13.10)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     orm_adapter (0.5.0)
@@ -169,7 +169,7 @@ GEM
       nio4r (~> 2.0)
     pundit (2.2.0)
       activesupport (>= 3.0.0)
-    racc (1.6.0)
+    racc (1.6.1)
     rack (2.2.4)
     rack-cors (1.1.1)
       rack (>= 2.0.0)
@@ -193,8 +193,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.4.3)
-      loofah (~> 2.3)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     rails_best_practices (1.23.1)
       activesupport
       code_analyzer (~> 0.5.5)