diff --git a/Gemfile.lock b/Gemfile.lock
index fcbe7a3e38a..e41df80ba97 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -175,7 +175,7 @@ GEM
       bigdecimal
       rexml
     crass (1.0.6)
-    css_parser (1.21.1)
+    css_parser (1.22.0)
       addressable
     csv (3.3.5)
     database_cleaner-active_record (2.2.1)