diff --git a/.github/ISSUE_TEMPLATE/formatting.md b/.github/ISSUE_TEMPLATE/formatting.md
index 77de794d4..45ecdf657 100644
--- a/.github/ISSUE_TEMPLATE/formatting.md
+++ b/.github/ISSUE_TEMPLATE/formatting.md
@@ -26,7 +26,7 @@ Don't fill the form below manually! Let a program create a report for you:
 
 -->
 
-**Prettier 3.8.4**
+**Prettier 3.8.5**
 [Playground link](https://prettier.io/playground/#.....)
 
 ```sh
diff --git a/.github/ISSUE_TEMPLATE/integration.md b/.github/ISSUE_TEMPLATE/integration.md
index 519b93b4f..2b5ad54cb 100644
--- a/.github/ISSUE_TEMPLATE/integration.md
+++ b/.github/ISSUE_TEMPLATE/integration.md
@@ -20,7 +20,7 @@ BEFORE SUBMITTING AN ISSUE:
 
 **Environments:**
 
-- Prettier Version: 3.8.4
+- Prettier Version: 3.8.5
 - Running Prettier via: <!-- CLI, Node.js API, Browser API, etc. -->
 - Runtime: <!-- Node.js v14, Chrome v83, etc. -->
 - Operating System: <!-- Windows, Linux, macOS, etc. -->
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4ad789357..95c0aa273 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,27 @@
+# 3.8.5
+
+[diff](https://github.com/prettier/prettier/compare/3.8.4...3.8.5)
+
+#### Flow: Support `readonly` as a variance annotation ([#19022](https://github.com/prettier/prettier/pull/19022) by [@marcoww6](https://github.com/marcoww6))
+
+Flow now accepts `readonly` as a property variance annotation, equivalent to `+` (covariant/read-only).
+
+<!-- prettier-ignore -->
+```jsx
+// Input
+type T = {
+  readonly foo: string,
+};
+
+// Prettier 3.8.4
+SyntaxError
+
+// Prettier 3.8.5
+type T = {
+  readonly foo: string,
+};
+```
+
 # 3.8.4
 
 [diff](https://github.com/prettier/prettier/compare/3.8.3...3.8.4)
diff --git a/package.json b/package.json
index 438ec0d13..c0ab97f89 100644
--- a/package.json
+++ b/package.json
@@ -180,7 +180,7 @@
     "node-style-text": "2.1.2",
     "npm-run-all2": "9.0.2",
     "open-editor": "6.0.0",
-    "prettier": "3.8.4",
+    "prettier": "3.8.5",
     "pretty-bytes": "7.1.0",
     "pretty-ms": "9.3.0",
     "puppeteer": "25.2.1",
diff --git a/website/versioned_docs/version-stable/browser.md b/website/versioned_docs/version-stable/browser.md
index c6c345c39..5c2eff89a 100644
--- a/website/versioned_docs/version-stable/browser.md
+++ b/website/versioned_docs/version-stable/browser.md
@@ -21,7 +21,7 @@ Required options:
 
 - **[`parser`](options.md#parser) (or [`filepath`](options.md#file-path))**: One of these options has to be specified for Prettier to know which parser to use.
 
-- **`plugins`**: Unlike the `format` function from the [Node.js-based API](api.md#prettierformatsource-options), this function doesn’t load plugins automatically. The `plugins` option is required because all the parsers included in the Prettier package come as plugins (for reasons of file size). These plugins are files in [https://unpkg.com/browse/prettier@3.8.4/plugins](https://unpkg.com/browse/prettier@3.8.4/plugins). Note that `estree` plugin should be loaded when printing JavaScript, TypeScript, Flow, or JSON.
+- **`plugins`**: Unlike the `format` function from the [Node.js-based API](api.md#prettierformatsource-options), this function doesn’t load plugins automatically. The `plugins` option is required because all the parsers included in the Prettier package come as plugins (for reasons of file size). These plugins are files in [https://unpkg.com/browse/prettier@3.8.5/plugins](https://unpkg.com/browse/prettier@3.8.5/plugins). Note that `estree` plugin should be loaded when printing JavaScript, TypeScript, Flow, or JSON.
 
   You need to load the ones that you’re going to use and pass them to `prettier.format` using the `plugins` option.
 
@@ -32,8 +32,8 @@ See below for examples.
 ### Global
 
 ```html
-<script src="https://unpkg.com/prettier@3.8.4/standalone.js"></script>
-<script src="https://unpkg.com/prettier@3.8.4/plugins/graphql.js"></script>
+<script src="https://unpkg.com/prettier@3.8.5/standalone.js"></script>
+<script src="https://unpkg.com/prettier@3.8.5/plugins/graphql.js"></script>
 <script>
   (async () => {
     const formatted = await prettier.format("type Query { hello: String }", {
@@ -50,8 +50,8 @@ Note that the [`unpkg` field](https://unpkg.com/#examples) in Prettier’s `pack
 
 ```html
 <script type="module">
-  import * as prettier from "https://unpkg.com/prettier@3.8.4/standalone.mjs";
-  import * as prettierPluginGraphql from "https://unpkg.com/prettier@3.8.4/plugins/graphql.mjs";
+  import * as prettier from "https://unpkg.com/prettier@3.8.5/standalone.mjs";
+  import * as prettierPluginGraphql from "https://unpkg.com/prettier@3.8.5/plugins/graphql.mjs";
 
   const formatted = await prettier.format("type Query { hello: String }", {
     parser: "graphql",
@@ -64,8 +64,8 @@ Note that the [`unpkg` field](https://unpkg.com/#examples) in Prettier’s `pack
 
 ```js
 define([
-  "https://unpkg.com/prettier@3.8.4/standalone.js",
-  "https://unpkg.com/prettier@3.8.4/plugins/graphql.js",
+  "https://unpkg.com/prettier@3.8.5/standalone.js",
+  "https://unpkg.com/prettier@3.8.5/plugins/graphql.js",
 ], async (prettier, ...plugins) => {
   const formatted = await prettier.format("type Query { hello: String }", {
     parser: "graphql",
@@ -96,8 +96,8 @@ This syntax doesn’t necessarily work in the browser, but it can be used when b
 <TabItem value="module" label="Module worker">
 
 ```js
-import * as prettier from "https://unpkg.com/prettier@3.8.4/standalone.mjs";
-import * as prettierPluginGraphql from "https://unpkg.com/prettier@3.8.41/plugins/graphql.mjs";
+import * as prettier from "https://unpkg.com/prettier@3.8.5/standalone.mjs";
+import * as prettierPluginGraphql from "https://unpkg.com/prettier@3.8.51/plugins/graphql.mjs";
 
 const formatted = await prettier.format("type Query { hello: String }", {
   parser: "graphql",
@@ -110,8 +110,8 @@ const formatted = await prettier.format("type Query { hello: String }", {
 
 ```js
 importScripts(
-  "https://unpkg.com/prettier@3.8.4/standalone.js",
-  "https://unpkg.com/prettier@3.8.4/plugins/graphql.js",
+  "https://unpkg.com/prettier@3.8.5/standalone.js",
+  "https://unpkg.com/prettier@3.8.5/plugins/graphql.js",
 );
 
 (async () => {
@@ -131,9 +131,9 @@ If you want to format [embedded code](options.md#embedded-language-formatting),
 
 ```html
 <script type="module">
-  import * as prettier from "https://unpkg.com/prettier@3.8.4/standalone.mjs";
-  import * as prettierPluginBabel from "https://unpkg.com/prettier@3.8.4/plugins/babel.mjs";
-  import * as prettierPluginEstree from "https://unpkg.com/prettier@3.8.4/plugins/estree.mjs";
+  import * as prettier from "https://unpkg.com/prettier@3.8.5/standalone.mjs";
+  import * as prettierPluginBabel from "https://unpkg.com/prettier@3.8.5/plugins/babel.mjs";
+  import * as prettierPluginEstree from "https://unpkg.com/prettier@3.8.5/plugins/estree.mjs";
 
   console.log(
     await prettier.format("const html=/* HTML */ `<DIV> </DIV>`", {
@@ -149,10 +149,10 @@ The HTML code embedded in JavaScript stays unformatted because the `html` parser
 
 ```html
 <script type="module">
-  import * as prettier from "https://unpkg.com/prettier@3.8.4/standalone.mjs";
-  import * as prettierPluginBabel from "https://unpkg.com/prettier@3.8.4/plugins/babel.mjs";
-  import * as prettierPluginEstree from "https://unpkg.com/prettier@3.8.4/plugins/estree.mjs";
-  import * as prettierPluginHtml from "https://unpkg.com/prettier@3.8.4/plugins/html.mjs";
+  import * as prettier from "https://unpkg.com/prettier@3.8.5/standalone.mjs";
+  import * as prettierPluginBabel from "https://unpkg.com/prettier@3.8.5/plugins/babel.mjs";
+  import * as prettierPluginEstree from "https://unpkg.com/prettier@3.8.5/plugins/estree.mjs";
+  import * as prettierPluginHtml from "https://unpkg.com/prettier@3.8.5/plugins/html.mjs";
 
   console.log(
     await prettier.format("const html=/* HTML */ `<DIV> </DIV>`", {
diff --git a/yarn.lock b/yarn.lock
index 6e9c86179..637963034 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7905,12 +7905,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"prettier@npm:3.8.4":
-  version: 3.8.4
-  resolution: "prettier@npm:3.8.4"
+"prettier@npm:3.8.5":
+  version: 3.8.5
+  resolution: "prettier@npm:3.8.5"
   bin:
     prettier: bin/prettier.cjs
-  checksum: 10/54684a3cc6689238692b29fab541c01934af7677be94c02293ba49981a1ac121c8bebe2a865f0c3b963e99d208f847c53aed354cc0ce8750e2d45791d64506c5
+  checksum: 10/61b59be2f6fdb06850aa8add77a4c3ea31d9536ae25ee9206cdd7a52de968276270a69f4bb71a6e23cbe7bfe6705a74eebdfae2022659c4ccea246e45c290c94
   languageName: node
   linkType: hard
 
@@ -8037,7 +8037,7 @@ __metadata:
     postcss-scss: "npm:4.0.9"
     postcss-selector-parser: "npm:2.2.3"
     postcss-values-parser: "npm:2.0.1"
-    prettier: "npm:3.8.4"
+    prettier: "npm:3.8.5"
     pretty-bytes: "npm:7.1.0"
     pretty-ms: "npm:9.3.0"
     puppeteer: "npm:25.2.1"