diff --git a/blog/Gemfile.lock b/blog/Gemfile.lock
index eca5328..0a5533e 100644
--- a/blog/Gemfile.lock
+++ b/blog/Gemfile.lock
@@ -87,7 +87,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.4.0)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -101,7 +101,7 @@ GEM
     minitest (5.14.0)
     msgpack (1.3.3)
     nio4r (2.5.2)
-    nokogiri (1.10.9)
+    nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
     public_suffix (4.0.3)
     puma (3.12.4)
@@ -124,7 +124,7 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.3.0)
+    rails-html-sanitizer (1.4.3)
       loofah (~> 2.3)
     railties (5.2.4.2)
       actionpack (= 5.2.4.2)