diff --git a/Gemfile.lock b/Gemfile.lock
index d5d700e4721..1c5772c3799 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -726,7 +726,7 @@ GEM
     mini_histogram (0.3.1)
     mini_magick (4.10.1)
     mini_mime (1.0.2)
-    mini_portile2 (2.5.0)
+    mini_portile2 (2.5.3)
     minitest (5.11.3)
     mixlib-cli (2.1.8)
     mixlib-config (3.0.9)
@@ -922,7 +922,7 @@ GEM
       puma (>= 2.7)
     pyu-ruby-sasl (0.0.3.3)
     raabro (1.1.6)
-    racc (1.5.2)
+    racc (1.6.0)
     rack (2.2.3)
     rack-accept (0.4.5)
       rack (>= 0.4)
@@ -965,7 +965,7 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.3.0)
+    rails-html-sanitizer (1.4.3)
       loofah (~> 2.3)
     rails-i18n (6.0.0)
       i18n (>= 0.7, < 2)