diff --git a/packages/@lwc/style-compiler/package.json b/packages/@lwc/style-compiler/package.json
index a6831d8a3a..73a907c634 100644
--- a/packages/@lwc/style-compiler/package.json
+++ b/packages/@lwc/style-compiler/package.json
@@ -44,7 +44,7 @@
     "dependencies": {
         "@lwc/shared": "8.3.0",
         "postcss": "~8.4.47",
-        "postcss-selector-parser": "~6.1.2",
+        "postcss-selector-parser": "~7.0.0",
         "postcss-value-parser": "~4.2.0"
     }
 }
diff --git a/yarn.lock b/yarn.lock
index d40f194de5..d5d3a4ee4c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -10287,10 +10287,10 @@ possible-typed-array-names@^1.0.0:
   resolved "https://registry.yarnpkg.com/possible-typed-array-names/-/possible-typed-array-names-1.0.0.tgz#89bb63c6fada2c3e90adc4a647beeeb39cc7bf8f"
   integrity sha512-d7Uw+eZoloe0EHDIYoe+bQ5WXnGMOpmiZFTuMWCwpjzzkL2nTjcKiAk4hh8TjnGye2TwWOk3UXucZ+3rbmBa8Q==
 
-postcss-selector-parser@~6.1.2:
-  version "6.1.2"
-  resolved "https://registry.yarnpkg.com/postcss-selector-parser/-/postcss-selector-parser-6.1.2.tgz#27ecb41fb0e3b6ba7a1ec84fff347f734c7929de"
-  integrity sha512-Q8qQfPiZ+THO/3ZrOrO0cJJKfpYCagtMUkXbnEfmgUjwXg6z/WBeOyS9APBBPCTSiDV+s4SwQGu8yFsiMRIudg==
+postcss-selector-parser@~7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-selector-parser/-/postcss-selector-parser-7.0.0.tgz#41bd8b56f177c093ca49435f65731befe25d6b9c"
+  integrity sha512-9RbEr1Y7FFfptd/1eEdntyjMwLeghW1bHX9GWjXo19vx4ytPQhANltvVxDggzJl7mnWM+dX28kb6cyS/4iQjlQ==
   dependencies:
     cssesc "^3.0.0"
     util-deprecate "^1.0.2"