diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2b5997eda..5f5859115 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+
+-   Bump `@adobe/css-tools` from 4.2.0 to 4.3.1
+
 ## [0.2.12] - 2023-08-23
 
 ### Changed
diff --git a/yarn.lock b/yarn.lock
index d54feb389..19a426635 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8,9 +8,9 @@
   integrity sha512-1Yjs2SvM8TflER/OD3cOjhWWOZb58A2t7wpE2S9XfBYTiIl+XFhQG2bjy4Pu1I+EAlCNUzRDYDdFwFYUKvXcIA==
 
 "@adobe/css-tools@^4.0.1":
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/@adobe/css-tools/-/css-tools-4.2.0.tgz#e1a84fca468f4b337816fcb7f0964beb620ba855"
-  integrity sha512-E09FiIft46CmH5Qnjb0wsW54/YQd69LsxeKUOWawmws1XWvyFGURnAChH0mlr7YPFR1ofwvUQfcL0J3lMxXqPA==
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/@adobe/css-tools/-/css-tools-4.3.1.tgz#abfccb8ca78075a2b6187345c26243c1a0842f28"
+  integrity sha512-/62yikz7NLScCGAAST5SHdnjaDJQBDq0M2muyRTpf2VQhw6StBg2ALiu73zSJQ4fMVLA+0uBhBHAle7Wg+2kSg==
 
 "@ampproject/remapping@^2.2.0":
   version "2.2.1"