diff --git a/rails/blog/Gemfile.lock b/rails/blog/Gemfile.lock
index 9993a767..5aeb63f6 100644
--- a/rails/blog/Gemfile.lock
+++ b/rails/blog/Gemfile.lock
@@ -61,6 +61,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.5)
+    crass (1.0.6)
     erubi (1.6.1)
     execjs (2.7.0)
     ffi (1.9.18)
@@ -74,7 +75,8 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.0.3)
+    loofah (2.4.0)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.6)
       mime-types (>= 1.16, < 4)
@@ -82,12 +84,12 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.2.0)
+    mini_portile2 (2.4.0)
     minitest (5.10.2)
     multi_json (1.12.1)
     nio4r (2.1.0)
-    nokogiri (1.8.0)
-      mini_portile2 (~> 2.2.0)
+    nokogiri (1.10.8)
+      mini_portile2 (~> 2.4.0)
     public_suffix (2.0.5)
     puma (3.9.1)
     rack (2.0.3)