diff --git a/Gemfile.lock b/Gemfile.lock
index a124cf436c7..8987ba10946 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -115,7 +115,7 @@ GEM
       bigdecimal
       rexml
     crass (1.0.6)
-    css_parser (1.19.0)
+    css_parser (1.19.1)
       addressable
     csv (3.3.0)
     date (3.3.4)