diff --git a/Gemfile.lock b/Gemfile.lock
index e68e5ae8..bbafb0ad 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -455,7 +455,7 @@ GEM
     ruby-progressbar (1.10.1)
     ruby-vips (2.0.17)
       ffi (~> 1.9)
-    sanitize (5.1.0)
+    sanitize (5.2.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.8.0)
       nokogumbo (~> 2.0)