diff --git a/example_app/Gemfile.lock b/example_app/Gemfile.lock
index 0ffbabf..77992df 100644
--- a/example_app/Gemfile.lock
+++ b/example_app/Gemfile.lock
@@ -40,15 +40,15 @@ GEM
     metaclass (0.0.4)
     method_source (0.9.0)
     mini_mime (0.1.4)
-    mini_portile2 (2.5.1)
+    mini_portile2 (2.8.1)
     minitest (5.10.3)
     mocha (1.3.0)
       metaclass (~> 0.0.1)
     multipart-post (2.1.1)
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
-    nokogiri (1.11.4)
-      mini_portile2 (~> 2.5.0)
+    nokogiri (1.13.10)
+      mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     octokit (4.7.0)
       sawyer (~> 0.8.0, >= 0.5.3)
@@ -56,7 +56,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     public_suffix (4.0.6)
-    racc (1.5.2)
+    racc (1.6.2)
     rack (2.2.3)
     rack-flash3 (1.0.5)
       rack