diff --git a/package-lock.json b/package-lock.json
index 5aebe6d34..e3c2e0fa2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5765,9 +5765,9 @@
       }
     },
     "postcss": {
-      "version": "8.1.0",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.1.0.tgz",
-      "integrity": "sha512-d3RppIo1DI66oHxA1vdckr5qciQbMIrHvyzuvp2cLJHOLwJHg7X9ncrfw2Ri6Sgiwv/GoXtOwEHJ9E9VSRxXWQ==",
+      "version": "8.1.1",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.1.1.tgz",
+      "integrity": "sha512-9DGLSsjooH3kSNjTZUOt2eIj2ZTW0VI2PZ/3My+8TC7KIbH2OKwUlISfDsf63EP4aiRUt3XkEWMWvyJHvJelEg==",
       "requires": {
         "colorette": "^1.2.1",
         "line-column": "^1.0.2",
diff --git a/package.json b/package.json
index 219fdac28..52a9a73ae 100644
--- a/package.json
+++ b/package.json
@@ -135,7 +135,7 @@
     "open-on-github": "https://www.atom.io/api/packages/open-on-github/versions/1.3.2/tarball",
     "package-generator": "https://www.atom.io/api/packages/package-generator/versions/1.3.0/tarball",
     "pathwatcher": "8.1.0",
-    "postcss": "8.1.0",
+    "postcss": "8.1.1",
     "postcss-selector-parser": "2.2.1",
     "prebuild-install": "5.3.5",
     "property-accessors": "^1.1.3",