diff --git a/yarn.lock b/yarn.lock
index 5f147c1..6efd056 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -58,9 +58,9 @@
   integrity sha512-DaDeUkXZKjdGhgYaHNJTV9pV7Y9B3b644jCLs9Upc3VeNGg6LWARAT6O+Q+/COo+2gg/bM5rhpMAtf70WqfBdQ==
 
 "@csstools/css-syntax-patches-for-csstree@^1.0.14":
-  version "1.0.19"
-  resolved "https://registry.yarnpkg.com/@csstools/css-syntax-patches-for-csstree/-/css-syntax-patches-for-csstree-1.0.19.tgz#816f93d4cdd4e4978ccd5860e866eb1e737ddbe1"
-  integrity sha512-QW5/SM2ARltEhoKcmRI1LoLf3/C7dHGswwCnfLcoMgqurBT4f8GvwXMgAbK/FwcxthmJRK5MGTtddj0yQn0J9g==
+  version "1.0.20"
+  resolved "https://registry.yarnpkg.com/@csstools/css-syntax-patches-for-csstree/-/css-syntax-patches-for-csstree-1.0.20.tgz#b14db34a759b3446b01d7981b4765f92b2d420ae"
+  integrity sha512-8BHsjXfSciZxjmHQOuVdW2b8WLUPts9a+mfL13/PzEviufUEW2xnvQuOlKs9dRBHgRqJ53SF/DUoK9+MZk72oQ==
 
 "@csstools/css-tokenizer@^3.0.4":
   version "3.0.4"