diff --git a/package-lock.json b/package-lock.json
index 3ffbe12d188..84dd3757197 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4341,11 +4341,6 @@
         }
       }
     },
-    "indexes-of": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/indexes-of/-/indexes-of-1.0.1.tgz",
-      "integrity": "sha512-bup+4tap3Hympa+JBJUG7XuOsdNQ6fxt0MHyXMKuLBKn0OqsTfvUxkUrroEX1+B2VsSHvCjiIcZVxRtYa4nllA=="
-    },
     "inflight": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
@@ -6281,13 +6276,11 @@
       }
     },
     "postcss-selector-parser": {
-      "version": "6.0.4",
-      "resolved": "https://registry.npmjs.org/postcss-selector-parser/-/postcss-selector-parser-6.0.4.tgz",
-      "integrity": "sha512-gjMeXBempyInaBqpp8gODmwZ52WaYsVOsfr4L4lDQ7n3ncD6mEyySiDtgzCT+NYC0mmeOLvtsF8iaEf0YT6dBw==",
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/postcss-selector-parser/-/postcss-selector-parser-7.0.0.tgz",
+      "integrity": "sha512-9RbEr1Y7FFfptd/1eEdntyjMwLeghW1bHX9GWjXo19vx4ytPQhANltvVxDggzJl7mnWM+dX28kb6cyS/4iQjlQ==",
       "requires": {
         "cssesc": "^3.0.0",
-        "indexes-of": "^1.0.1",
-        "uniq": "^1.0.1",
         "util-deprecate": "^1.0.2"
       }
     },
@@ -8262,11 +8255,6 @@
       "resolved": "https://registry.npmjs.org/unicode-property-aliases-ecmascript/-/unicode-property-aliases-ecmascript-2.1.0.tgz",
       "integrity": "sha512-6t3foTQI9qne+OZoVQB/8x8rk2k1eVy1gRXhV3oFQ5T6R1dqQ1xtin3XqSlx3+ATBkliTaR/hHyJBm+LVPNM8w=="
     },
-    "uniq": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/uniq/-/uniq-1.0.1.tgz",
-      "integrity": "sha512-Gw+zz50YNKPDKXs+9d+aKAjVwpjNwqzvNpLigIruT4HA9lMZNdMqs9x07kKHB/L9WRzqp4+DlTU5s4wG2esdoA=="
-    },
     "universalify": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
diff --git a/package.json b/package.json
index 79db4236f6e..4157e8fa91e 100644
--- a/package.json
+++ b/package.json
@@ -137,7 +137,7 @@
     "package-generator": "git+https://github.com/atom/package-generator.git#5c45f80",
     "pathwatcher": "^8.1.2",
     "postcss": "8.4.49",
-    "postcss-selector-parser": "6.0.4",
+    "postcss-selector-parser": "7.0.0",
     "prebuild-install": "6.0.0",
     "property-accessors": "^1.1.3",
     "resolve": "1.18.1",