diff --git a/package.json b/package.json
index b992cc367..d735b9fa9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "prettier",
-  "version": "3.8.0",
+  "version": "3.9.0-dev",
   "description": "Prettier is an opinionated code formatter",
   "bin": "./bin/prettier.cjs",
   "repository": "prettier/prettier",
@@ -165,7 +165,7 @@
     "node-style-text": "2.1.2",
     "npm-run-all2": "8.0.4",
     "open-editor": "6.0.0",
-    "prettier": "3.7.4",
+    "prettier": "3.8.0",
     "pretty-bytes": "7.1.0",
     "pretty-ms": "9.3.0",
     "rollup-plugin-license": "3.6.0",
diff --git a/yarn.lock b/yarn.lock
index 56a8c7ae9..e1735945e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7483,12 +7483,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"prettier@npm:3.7.4":
-  version: 3.7.4
-  resolution: "prettier@npm:3.7.4"
+"prettier@npm:3.8.0":
+  version: 3.8.0
+  resolution: "prettier@npm:3.8.0"
   bin:
     prettier: bin/prettier.cjs
-  checksum: 10/b4d00ea13baed813cb777c444506632fb10faaef52dea526cacd03085f01f6db11fc969ccebedf05bf7d93c3960900994c6adf1b150e28a31afd5cfe7089b313
+  checksum: 10/a643c62f095c2987a34cea4fceddce8dea12cc3ee024494aff690cfac22ef20be835e212b39b718c833014fd22890ae156be67b75a26e2bc9b7acde9a34d31fa
   languageName: node
   linkType: hard
 
@@ -7599,7 +7599,7 @@ __metadata:
     postcss-scss: "npm:4.0.9"
     postcss-selector-parser: "npm:2.2.3"
     postcss-values-parser: "npm:2.0.1"
-    prettier: "npm:3.7.4"
+    prettier: "npm:3.8.0"
     pretty-bytes: "npm:7.1.0"
     pretty-ms: "npm:9.3.0"
     regexp-util: "npm:2.0.3"