diff --git a/sample_app/Gemfile.lock b/sample_app/Gemfile.lock
index fc6bd39..8ac5ef7 100644
--- a/sample_app/Gemfile.lock
+++ b/sample_app/Gemfile.lock
@@ -77,7 +77,7 @@ GEM
       deep_merge (~> 1.2.1)
       dry-validation (>= 0.10.4)
     connection_pool (2.2.2)
-    crass (1.0.4)
+    crass (1.0.6)
     deep_merge (1.2.1)
     domain_name (0.5.20180417)
       unf (>= 0.0.5, < 1.0.0)
@@ -304,7 +304,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.2)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
@@ -315,17 +315,20 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_magick (4.8.0)
     mini_mime (1.0.0)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.6.1)
     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 (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     ovirt-engine-sdk (4.2.4)
       json (>= 1, < 3)
     parallel (1.12.1)
@@ -334,6 +337,7 @@ GEM
     popper_js (1.12.9)
     powerpack (0.1.2)
     puma (3.11.4)
+    racc (1.6.1)
     rack (2.0.5)
     rack-protection (2.0.3)
       rack
@@ -355,8 +359,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
-      loofah (~> 2.2, >= 2.2.2)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     railties (5.2.0)
       actionpack (= 5.2.0)
       activesupport (= 5.2.0)