diff --git a/Gemfile.lock b/Gemfile.lock
index 363b65bc3c2..c931451c647 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -401,7 +401,7 @@ GEM
       activerecord (>= 5)
     pkg-config (1.4.1)
     posix-spawn (0.3.15)
-    premailer (1.12.1)
+    premailer (1.13.1)
       addressable
       css_parser (>= 1.6.0)
       htmlentities (>= 4.0.0)