diff --git a/rails4/Gemfile.lock b/rails4/Gemfile.lock
index 2f2f1b5..3c0037f 100644
--- a/rails4/Gemfile.lock
+++ b/rails4/Gemfile.lock
@@ -49,7 +49,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.1.5)
-    crass (1.0.5)
+    crass (1.0.6)
     debug_inspector (0.0.3)
     erubis (2.7.0)
     execjs (2.7.0)
@@ -66,18 +66,18 @@ GEM
       thor (>= 0.14, < 2.0)
     json (1.8.6)
     libv8 (3.16.14.19)
-    loofah (2.4.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
       mini_mime (>= 0.1.1)
     mini_mime (1.0.2)
-    mini_portile2 (2.6.1)
+    mini_portile2 (2.8.0)
     minitest (5.13.0)
-    nokogiri (1.12.5)
-      mini_portile2 (~> 2.6.1)
+    nokogiri (1.13.10)
+      mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
-    racc (1.5.2)
+    racc (1.6.1)
     rack (1.6.12)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -98,8 +98,8 @@ GEM
       activesupport (>= 4.2.0, < 5.0)
       nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.3.0)
-      loofah (~> 2.3)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     railties (4.2.11.1)
       actionpack (= 4.2.11.1)
       activesupport (= 4.2.11.1)