diff --git a/Gemfile.lock b/Gemfile.lock
index ae99bd8..19fd476 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -69,7 +69,7 @@ GEM
     concurrent-ruby (1.1.4)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
-    crass (1.0.4)
+    crass (1.0.5)
     css_parser (1.6.0)
       addressable
     database_cleaner (1.7.0)
@@ -135,7 +135,7 @@ GEM
       addressable (~> 2.3)
     letter_opener (1.6.0)
       launchy (~> 2.2)
-    loofah (2.2.3)
+    loofah (2.3.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -146,7 +146,7 @@ GEM
     mime-types (2.99.3)
     mimemagic (0.3.2)
     mini_mime (1.0.1)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.4.0)
     minitest (5.11.3)
     multipart-post (2.0.0)
     netrc (0.11.0)
@@ -154,8 +154,8 @@ GEM
       activerecord (>= 3.0.0)
       activesupport (>= 3.0.0)
     nio4r (2.3.1)
-    nokogiri (1.8.5)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.10.5)
+      mini_portile2 (~> 2.4.0)
     parallel (1.12.1)
     parser (2.5.1.2)
       ast (~> 2.4.0)