diff --git a/Gemfile.lock b/Gemfile.lock
index b91d0ab..56fc32f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -171,7 +171,7 @@ GEM
       term-ansicolor (~> 1.3)
       thor (~> 0.19.4)
       tins (~> 1.6)
-    crass (1.0.4)
+    crass (1.0.5)
     daemons (1.2.6)
     database_cleaner (1.7.0)
     debug_inspector (0.0.3)
@@ -370,7 +370,7 @@ GEM
       activesupport (>= 4)
       railties (>= 4)
       request_store (~> 1.0)
-    loofah (2.2.3)
+    loofah (2.3.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -390,7 +390,7 @@ GEM
     mimemagic (0.3.2)
     mini_magick (4.9.2)
     mini_mime (1.0.1)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.4.0)
     minitest (5.11.3)
     mono_logger (1.1.0)
     multi_json (1.13.1)
@@ -401,8 +401,8 @@ GEM
     net-http-persistent (2.9.4)
     net-ldap (0.16.1)
     noid (0.9.0)
-    nokogiri (1.8.5)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.10.5)
+      mini_portile2 (~> 2.4.0)
     nom-xml (1.0.0)
       activesupport (>= 3.2.18)
       i18n