diff --git a/package.json b/package.json
index 5b14b37a9..b783a3e5e 100644
--- a/package.json
+++ b/package.json
@@ -84,7 +84,7 @@
     "outdent": "0.8.0",
     "parse-json": "8.1.0",
     "please-upgrade-node": "3.2.0",
-    "postcss": "8.5.2",
+    "postcss": "8.5.3",
     "postcss-less": "6.0.0",
     "postcss-media-query-parser": "0.2.3",
     "postcss-scss": "4.0.9",
diff --git a/tests/format/misc/errors/css/__snapshots__/format.test.js.snap b/tests/format/misc/errors/css/__snapshots__/format.test.js.snap
index 2e84623a3..6ea460f78 100644
--- a/tests/format/misc/errors/css/__snapshots__/format.test.js.snap
+++ b/tests/format/misc/errors/css/__snapshots__/format.test.js.snap
@@ -1,17 +1,17 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
 exports[`less-syntax.css [css] format 1`] = `
-"CssSyntaxError: Unknown word (1:4)
+"CssSyntaxError: Unknown word .bordered (1:4)
 > 1 | a {.bordered();}
     |    ^
   2 |
-Cause: <css input>:1:4: Unknown word"
+Cause: <css input>:1:4: Unknown word .bordered"
 `;
 
 exports[`scss-syntax.css [css] format 1`] = `
-"CssSyntaxError: Unknown word (1:15)
+"CssSyntaxError: Unknown word $foo (1:15)
 > 1 | a {content: #{$foo}}
     |               ^
   2 |
-Cause: <css input>:1:15: Unknown word"
+Cause: <css input>:1:15: Unknown word $foo"
 `;
diff --git a/tests/format/misc/errors/less/__snapshots__/format.test.js.snap b/tests/format/misc/errors/less/__snapshots__/format.test.js.snap
index c0883cf25..876471ee4 100644
--- a/tests/format/misc/errors/less/__snapshots__/format.test.js.snap
+++ b/tests/format/misc/errors/less/__snapshots__/format.test.js.snap
@@ -1,7 +1,7 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
 exports[`inline-comment.less [less] format 1`] = `
-"CssSyntaxError: Unknown word (5:4)
+"CssSyntaxError: Unknown word inline (5:4)
   3 | a{
   4 | 	prop
 > 5 | // inline
@@ -9,7 +9,7 @@ exports[`inline-comment.less [less] format 1`] = `
   6 | :
   7 | value;
   8 | }
-Cause: <css input>:5:4: Unknown word"
+Cause: <css input>:5:4: Unknown word inline"
 `;
 
 exports[`open-double-quote.less [less] format 1`] = `
@@ -33,9 +33,9 @@ Cause: <css input>:2:17: Unclosed string"
 `;
 
 exports[`scss-syntax.scss [less] format 1`] = `
-"CssSyntaxError: Unknown word (1:15)
+"CssSyntaxError: Unknown word $foo (1:15)
 > 1 | a {content: #{$foo}}
     |               ^
   2 |
-Cause: <css input>:1:15: Unknown word"
+Cause: <css input>:1:15: Unknown word $foo"
 `;
diff --git a/tests/format/misc/errors/scss/__snapshots__/format.test.js.snap b/tests/format/misc/errors/scss/__snapshots__/format.test.js.snap
index ffad7584a..18d591f40 100644
--- a/tests/format/misc/errors/scss/__snapshots__/format.test.js.snap
+++ b/tests/format/misc/errors/scss/__snapshots__/format.test.js.snap
@@ -1,9 +1,9 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
 exports[`less-syntax.less [scss] format 1`] = `
-"CssSyntaxError: Unknown word (1:4)
+"CssSyntaxError: Unknown word .bordered (1:4)
 > 1 | a {.bordered();}
     |    ^
   2 |
-Cause: <css input>:1:4: Unknown word"
+Cause: <css input>:1:4: Unknown word .bordered"
 `;
diff --git a/yarn.lock b/yarn.lock
index 8ecc6f6e1..e959f43f4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7419,14 +7419,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:8.5.2":
-  version: 8.5.2
-  resolution: "postcss@npm:8.5.2"
+"postcss@npm:8.5.3":
+  version: 8.5.3
+  resolution: "postcss@npm:8.5.3"
   dependencies:
     nanoid: "npm:^3.3.8"
     picocolors: "npm:^1.1.1"
     source-map-js: "npm:^1.2.1"
-  checksum: 10/e08c2be3cf461cc63cf4c8e97bb3d5185e196ee0a9b75879cf130590f32bc38c7829c6c4e260158e214fb68a828a95bdac84c8f17fefba993d3ced686643c3e2
+  checksum: 10/6d7e21a772e8b05bf102636918654dac097bac013f0dc8346b72ac3604fc16829646f94ea862acccd8f82e910b00e2c11c1f0ea276543565d278c7ca35516a7c
   languageName: node
   linkType: hard
 
@@ -7540,7 +7540,7 @@ __metadata:
     outdent: "npm:0.8.0"
     parse-json: "npm:8.1.0"
     please-upgrade-node: "npm:3.2.0"
-    postcss: "npm:8.5.2"
+    postcss: "npm:8.5.3"
     postcss-less: "npm:6.0.0"
     postcss-media-query-parser: "npm:0.2.3"
     postcss-scss: "npm:4.0.9"