diff --git a/yarn.lock b/yarn.lock
index cebf9e667c..7be4e9faf6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5324,6 +5324,7 @@ __metadata:
     "@adobe/token-diff-generator": "npm:^1.3.0"
     "@nxkit/style-dictionary": "npm:^6.0.0"
     "@spectrum-tools/postcss-rgb-mapping": "workspace:^"
+    "@spectrum-tools/postcss-transparent-mapping": "workspace:^"
     eslint: "npm:^8.57.0"
     npm-run-all2: "npm:^7.0.2"
     postcss: "npm:^8.5.0"
@@ -5509,6 +5510,19 @@ __metadata:
   languageName: unknown
   linkType: soft
 
+"@spectrum-tools/postcss-transparent-mapping@workspace:^, @spectrum-tools/postcss-transparent-mapping@workspace:plugins/postcss-transparent-mapping":
+  version: 0.0.0-use.local
+  resolution: "@spectrum-tools/postcss-transparent-mapping@workspace:plugins/postcss-transparent-mapping"
+  dependencies:
+    ava: "npm:^6.2.0"
+    c8: "npm:^10.1.3"
+    postcss: "npm:^8.5.0"
+    postcss-values-parser: "npm:^6.0.2"
+  peerDependencies:
+    postcss: ">=8"
+  languageName: unknown
+  linkType: soft
+
 "@spectrum-tools/stylelint-no-missing-var@workspace:plugins/stylelint-no-missing-var":
   version: 0.0.0-use.local
   resolution: "@spectrum-tools/stylelint-no-missing-var@workspace:plugins/stylelint-no-missing-var"