diff --git a/Gemfile.lock b/Gemfile.lock
index e74bcf3..a388247 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -49,7 +49,7 @@ GEM
     builder (3.2.3)
     byebug (10.0.2)
     concurrent-ruby (1.0.5)
-    crass (1.0.4)
+    crass (1.0.5)
     erubi (1.7.1)
     ffi (1.9.25)
     globalid (0.4.1)
@@ -63,7 +63,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.2)
+    loofah (2.3.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
@@ -73,13 +73,13 @@ GEM
     method_source (0.9.0)
     mimemagic (0.3.2)
     mini_mime (1.0.0)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.4.0)
     minitest (5.11.3)
     msgpack (1.2.4)
     multi_json (1.13.1)
     nio4r (2.3.1)
-    nokogiri (1.8.4)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.10.5)
+      mini_portile2 (~> 2.4.0)
     pg (1.0.0)
     puma (3.12.0)
     rack (2.0.5)