diff --git a/Gemfile.lock b/Gemfile.lock
index 4f45ae8..a277fb5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -93,7 +93,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.1.3)
-    crass (1.0.4)
+    crass (1.0.5)
     crono (1.1.2)
       activerecord (>= 4.0)
       activesupport (>= 4.0)
@@ -179,7 +179,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.3)
+    loofah (2.3.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -193,7 +193,7 @@ GEM
     mimemagic (0.3.2)
     mini_magick (4.7.0)
     mini_mime (1.0.1)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.4.0)
     minitest (5.11.3)
     msgpack (1.2.4)
     msgpack (1.2.4-x64-mingw32)
@@ -203,10 +203,10 @@ GEM
     multipart-post (2.0.0)
     mustermann (1.0.3)
     nio4r (2.3.1)
-    nokogiri (1.8.5)
-      mini_portile2 (~> 2.3.0)
-    nokogiri (1.8.5-x64-mingw32)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.10.5)
+      mini_portile2 (~> 2.4.0)
+    nokogiri (1.10.5-x64-mingw32)
+      mini_portile2 (~> 2.4.0)
     notifications (0.6.0)
       kaminari (>= 0.15)
       rails (~> 5)