diff --git a/Gemfile.lock b/Gemfile.lock
index fb3bd79..a27fe5e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -204,7 +204,7 @@ GEM
       railties (>= 4.2.0, < 6.0)
     rollbar (2.22.1)
     ruby-prof (0.15.8)
-    sanitize (5.1.0)
+    sanitize (5.2.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.8.0)
       nokogumbo (~> 2.0)