diff --git a/hello_app/Gemfile.lock b/hello_app/Gemfile.lock
index 5357939..c7424e0 100644
--- a/hello_app/Gemfile.lock
+++ b/hello_app/Gemfile.lock
@@ -81,14 +81,16 @@ GEM
       mini_mime (>= 0.1.1)
     method_source (0.9.2)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     minitest (5.13.0)
     nio4r (2.5.2)
-    nokogiri (1.10.7)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     pg (0.20.0)
     public_suffix (4.0.1)
     puma (3.12.2)
+    racc (1.5.2)
     rack (2.0.7)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)