diff --git a/Gemfile.lock b/Gemfile.lock
index e630b877b..fc5b93b2a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -67,7 +67,7 @@ GEM
     cocaine (0.5.8)
       climate_control (>= 0.0.3, < 1.0)
     concurrent-ruby (1.0.5)
-    crass (1.0.3)
+    crass (1.0.6)
     domain_name (0.5.20170404)
       unf (>= 0.0.5, < 1.0.0)
     dragonfly (1.1.4)
@@ -87,7 +87,7 @@ GEM
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     kgio (2.11.2)
-    loofah (2.2.0)
+    loofah (2.9.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
@@ -98,7 +98,7 @@ GEM
       rake
     mini_magick (4.8.0)
     mini_mime (1.0.0)
-    mini_portile2 (2.5.1)
+    mini_portile2 (2.5.3)
     minitest (5.11.3)
     mongo (2.5.1)
       bson (>= 4.3.0, < 5.0.0)
@@ -117,7 +117,7 @@ GEM
     mynyml-redgreen (0.7.1)
       term-ansicolor (>= 1.0.4)
     netrc (0.11.0)
-    nokogiri (1.11.5)
+    nokogiri (1.11.6)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
     origin (2.3.1)