diff --git a/Gemfile.lock b/Gemfile.lock
index 146b4f7..6b96fee 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -47,7 +47,7 @@ GEM
     coffee-script (2.2.0)
       coffee-script-source
       execjs
-    coffee-script-source (1.1.3)
+    coffee-script-source (1.12.2)
     database_cleaner (0.7.0)
     diff-lcs (1.1.3)
     erubis (2.7.0)
@@ -77,8 +77,10 @@ GEM
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     mime-types (1.17.2)
+    mini_portile2 (2.4.0)
     multi_json (1.0.3)
-    nokogiri (1.5.0)
+    nokogiri (1.10.8)
+      mini_portile2 (~> 2.4.0)
     paperclip (2.3.11)
       activerecord (>= 2.3.0)
       activesupport (>= 2.3.2)