diff --git a/Gemfile.lock b/Gemfile.lock
index a504c05..c2f910c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -65,18 +65,18 @@ GEM
       activesupport (>= 4.2.0)
     i18n (1.0.1)
       concurrent-ruby (~> 1.0)
-    loofah (2.2.2)
+    loofah (2.3.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
       mini_mime (>= 0.1.1)
     method_source (0.9.0)
     mini_mime (1.0.0)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.4.0)
     minitest (5.11.3)
     nio4r (2.3.1)
-    nokogiri (1.8.4)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.10.4)
+      mini_portile2 (~> 2.4.0)
     rack (2.0.5)
     rack-test (1.0.0)
       rack (>= 1.0, < 3)