diff --git a/Gemfile.lock b/Gemfile.lock
index 42f43201677..a8d20d7c55e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -273,7 +273,7 @@ GEM
       bigdecimal
       rexml
     crass (1.0.6)
-    css_parser (1.19.1)
+    css_parser (1.21.0)
       addressable
     cssbundling-rails (1.4.0)
       railties (>= 6.0.0)