diff --git a/rails/myarticles/Gemfile.lock b/rails/myarticles/Gemfile.lock
index c28a259f..0f1b5ae2 100644
--- a/rails/myarticles/Gemfile.lock
+++ b/rails/myarticles/Gemfile.lock
@@ -54,7 +54,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.5.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.6)
@@ -63,13 +63,15 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.10.2)
     mysql2 (0.4.9)
     nio4r (2.1.0)
-    nokogiri (1.10.9)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.10)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     puma (3.12.6)
+    racc (1.6.1)
     rack (2.2.3)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -88,8 +90,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     railties (5.1.2)
       actionpack (= 5.1.2)
       activesupport (= 5.1.2)