diff --git a/package.json b/package.json
index a542189ed..6c639d212 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
     "cypress": "^13.13.2",
     "cz-conventional-changelog": "3.3.0",
     "eslint": "^9.12.0",
-    "postcss-custom-properties": "^13.3.12",
+    "postcss-custom-properties": "^14.0.2",
     "postcss-html": "^1.7.0",
     "rollup-plugin-visualizer": "^5.12.0",
     "sass": "^1.77.8",
diff --git a/yarn.lock b/yarn.lock
index be0bc9c2a..a964c3a8d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -601,21 +601,31 @@
   dependencies:
     "@jridgewell/trace-mapping" "0.3.9"
 
-"@csstools/cascade-layer-name-parser@^1.0.13":
-  version "1.0.13"
-  resolved "https://registry.yarnpkg.com/@csstools/cascade-layer-name-parser/-/cascade-layer-name-parser-1.0.13.tgz#6900157489bc53da1f6a66eaccd432025f6cd6fb"
-  integrity sha512-MX0yLTwtZzr82sQ0zOjqimpZbzjMaK/h2pmlrLK7DCzlmiZLYFpoO94WmN1akRVo6ll/TdpHb53vihHLUMyvng==
+"@csstools/cascade-layer-name-parser@^2.0.3":
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/@csstools/cascade-layer-name-parser/-/cascade-layer-name-parser-2.0.3.tgz#ac4ff6c571f0f77819ecb647c6aba1d28db72645"
+  integrity sha512-KUcKk2oe7666aaeY+yxhy5TB0AN5x2Pi/ZJ23fbO8A0TEcLpA+VhVIw9s+6hTsAQHr8Fqc8p4RClsxxsmuIn1A==
 
 "@csstools/css-parser-algorithms@^2.7.1":
   version "2.7.1"
   resolved "https://registry.yarnpkg.com/@csstools/css-parser-algorithms/-/css-parser-algorithms-2.7.1.tgz#6d93a8f7d8aeb7cd9ed0868f946e46f021b6aa70"
   integrity sha512-2SJS42gxmACHgikc1WGesXLIT8d/q2l0UFM7TaEeIzdFCE/FPMtTiizcPGGJtlPo2xuQzY09OhrLTzRxqJqwGw==
 
+"@csstools/css-parser-algorithms@^3.0.3":
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/@csstools/css-parser-algorithms/-/css-parser-algorithms-3.0.3.tgz#f0bffb2faa0f054eda350c1abd25306f15465323"
+  integrity sha512-15WQTALDyxAwSgAvLt7BksAssiSrNNhTv4zM7qX9U6R7FtpNskVVakzWQlYODlwPwXhGpKPmB10LM943pxMe7w==
+
 "@csstools/css-tokenizer@^2.4.1":
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/@csstools/css-tokenizer/-/css-tokenizer-2.4.1.tgz#1d8b2e200197cf5f35ceb07ca2dade31f3a00ae8"
   integrity sha512-eQ9DIktFJBhGjioABJRtUucoWR2mwllurfnM8LuNGAqX3ViZXaUchqk+1s7jjtkFiT9ySdACsFEA3etErkALUg==
 
+"@csstools/css-tokenizer@^3.0.2":
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/@csstools/css-tokenizer/-/css-tokenizer-3.0.2.tgz#1c1d7298f6a7b3db94afe53d949b9a7d6a8ebc57"
+  integrity sha512-IuTRcD53WHsXPCZ6W7ubfGqReTJ9Ra0yRRFmXYP/Re8hFYYfoIYIK4080X5luslVLWimhIeFq0hj09urVMQzTw==
+
 "@csstools/media-query-list-parser@^2.1.13":
   version "2.1.13"
   resolved "https://registry.yarnpkg.com/@csstools/media-query-list-parser/-/media-query-list-parser-2.1.13.tgz#f00be93f6bede07c14ddf51a168ad2748e4fe9e5"
@@ -626,10 +636,10 @@
   resolved "https://registry.yarnpkg.com/@csstools/selector-specificity/-/selector-specificity-3.1.1.tgz#63085d2995ca0f0e55aa8b8a07d69bfd48b844fe"
   integrity sha512-a7cxGcJ2wIlMFLlh8z2ONm+715QkPHiyJcxwQlKOz/03GPw1COpfhcmC9wm4xlZfp//jWHNNMwzjtqHXVWU9KA==
 
-"@csstools/utilities@^1.0.0":
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/@csstools/utilities/-/utilities-1.0.0.tgz#42f3c213f2fb929324d465684ab9f46a0febd4bb"
-  integrity sha512-tAgvZQe/t2mlvpNosA4+CkMiZ2azISW5WPAcdSalZlEjQvUfghHxfQcrCiK/7/CrfAWVxyM88kGFYO82heIGDg==
+"@csstools/utilities@^2.0.0":
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/@csstools/utilities/-/utilities-2.0.0.tgz#f7ff0fee38c9ffb5646d47b6906e0bc8868bde60"
+  integrity sha512-5VdOr0Z71u+Yp3ozOx8T11N703wIFGVRgOWbOZMKgglPJsWA54MRIoMNVMa7shUToIhx5J8vX4sOZgD2XiihiQ==
 
 "@cypress/request@^3.0.1":
   version "3.0.1"
@@ -6317,15 +6327,15 @@ pkg-conf@^2.1.0:
     find-up "^2.0.0"
     load-json-file "^4.0.0"
 
-postcss-custom-properties@^13.3.12:
-  version "13.3.12"
-  resolved "https://registry.yarnpkg.com/postcss-custom-properties/-/postcss-custom-properties-13.3.12.tgz#e21960c7d13aed960b28236412d4da67f75317b0"
-  integrity sha512-oPn/OVqONB2ZLNqN185LDyaVByELAA/u3l2CS2TS16x2j2XsmV4kd8U49+TMxmUsEU9d8fB/I10E6U7kB0L1BA==
+postcss-custom-properties@^14.0.2:
+  version "14.0.3"
+  resolved "https://registry.yarnpkg.com/postcss-custom-properties/-/postcss-custom-properties-14.0.3.tgz#f5db2cb38b6547ecf2155114ae7f9a43c25473ff"
+  integrity sha512-zCc5y6cilcZXld3RK0glb5OR9p6i/54ro7Dul2drDI7kLCIZC1uiblHGociomp2fwBet3kRFf9DpG4lJtz5yhw==
   dependencies:
-    "@csstools/cascade-layer-name-parser" "^1.0.13"
-    "@csstools/css-parser-algorithms" "^2.7.1"
-    "@csstools/css-tokenizer" "^2.4.1"
-    "@csstools/utilities" "^1.0.0"
+    "@csstools/cascade-layer-name-parser" "^2.0.3"
+    "@csstools/css-parser-algorithms" "^3.0.3"
+    "@csstools/css-tokenizer" "^3.0.2"
+    "@csstools/utilities" "^2.0.0"
     postcss-value-parser "^4.2.0"
 
 postcss-html@^1.7.0: