diff --git a/sample_app/Gemfile.lock b/sample_app/Gemfile.lock
index fc6bd39..086cf80 100644
--- a/sample_app/Gemfile.lock
+++ b/sample_app/Gemfile.lock
@@ -318,14 +318,14 @@ GEM
     mimemagic (0.3.2)
     mini_magick (4.8.0)
     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)
     netrc (0.11.0)
     nio4r (2.3.1)
-    nokogiri (1.8.4)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.10.7)
+      mini_portile2 (~> 2.4.0)
     ovirt-engine-sdk (4.2.4)
       json (>= 1, < 3)
     parallel (1.12.1)