diff --git a/CHANGES.md b/CHANGES.md
index d3bb7eacf1..e83b6c4f78 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -12,6 +12,8 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 ## [Unreleased]
 ### Added
 - Add the ability to specify a wildcard version (`*`) for external formatter executables. ([#2757](https://github.com/diffplug/spotless/issues/2757))
+### Fixed
+- Prevent race conditions when multiple npm-based formatters launch the server process simultaneously while sharing the same `node_modules` directory. ([#2786](https://github.com/diffplug/spotless/pull/2786))
 ### Changes
 * Bump default `ktlint` version to latest `1.7.1` -> `1.8.0`. ([2763](https://github.com/diffplug/spotless/pull/2763))
 * Bump default `gherkin-utils` version to latest `9.2.0` -> `10.0.0`. ([#2619](https://github.com/diffplug/spotless/pull/2619))
diff --git a/lib/src/main/resources/com/diffplug/spotless/npm/common-serve.js b/lib/src/main/resources/com/diffplug/spotless/npm/common-serve.js
index edce61465a..9345d8c4d3 100644
--- a/lib/src/main/resources/com/diffplug/spotless/npm/common-serve.js
+++ b/lib/src/main/resources/com/diffplug/spotless/npm/common-serve.js
@@ -35,12 +35,14 @@ function getInstanceId() {
 
 var listener = app.listen(0, "127.0.0.1", () => {
 	const instanceId = getInstanceId();
+	const tempFileName = `server-${instanceId}.port.tmp`;
+	const finalFileName = `server-${instanceId}.port`;
 	debugLog("Server running on port " + listener.address().port + " for instance " + instanceId);
-	fs.writeFile("server.port.tmp", "" + listener.address().port, function (err) {
+	fs.writeFile(tempFileName, "" + listener.address().port, function (err) {
 		if (err) {
 			return console.log(err);
 		} else {
-			fs.rename("server.port.tmp", `server-${instanceId}.port`, function (err) {
+			fs.rename(tempFileName, finalFileName, function (err) {
 				if (err) {
 					return console.log(err);
 				}
diff --git a/lib/src/main/resources/com/diffplug/spotless/npm/eslint-package.json b/lib/src/main/resources/com/diffplug/spotless/npm/eslint-package.json
index c4bdba5209..c8e08d19b9 100644
--- a/lib/src/main/resources/com/diffplug/spotless/npm/eslint-package.json
+++ b/lib/src/main/resources/com/diffplug/spotless/npm/eslint-package.json
@@ -1,6 +1,6 @@
 {
 	"name": "spotless-eslint",
-	"version": "4.0.0",
+	"version": "4.0.1",
 	"description": "Spotless formatter step for running eslint as a rest service.",
 	"repository": "https://github.com/diffplug/spotless",
 	"license": "Apache-2.0",
diff --git a/lib/src/main/resources/com/diffplug/spotless/npm/prettier-package.json b/lib/src/main/resources/com/diffplug/spotless/npm/prettier-package.json
index a7c219625c..6ee6ed68a5 100644
--- a/lib/src/main/resources/com/diffplug/spotless/npm/prettier-package.json
+++ b/lib/src/main/resources/com/diffplug/spotless/npm/prettier-package.json
@@ -1,6 +1,6 @@
 {
 	"name": "spotless-prettier",
-	"version": "4.0.0",
+	"version": "4.0.1",
 	"description": "Spotless formatter step for running prettier as a rest service.",
 	"repository": "https://github.com/diffplug/spotless",
 	"license": "Apache-2.0",
diff --git a/lib/src/main/resources/com/diffplug/spotless/npm/tsfmt-package.json b/lib/src/main/resources/com/diffplug/spotless/npm/tsfmt-package.json
index d6c9a8a656..f84a257c64 100644
--- a/lib/src/main/resources/com/diffplug/spotless/npm/tsfmt-package.json
+++ b/lib/src/main/resources/com/diffplug/spotless/npm/tsfmt-package.json
@@ -1,6 +1,6 @@
 {
 	"name": "spotless-tsfmt",
-	"version": "4.0.0",
+	"version": "4.0.1",
 	"description": "Spotless formatter step for running tsfmt as a rest service.",
 	"repository": "https://github.com/diffplug/spotless",
 	"license": "Apache-2.0",
diff --git a/plugin-gradle/CHANGES.md b/plugin-gradle/CHANGES.md
index b9de11b3a1..f730ee2d8b 100644
--- a/plugin-gradle/CHANGES.md
+++ b/plugin-gradle/CHANGES.md
@@ -7,6 +7,7 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 - Add the ability to specify a wildcard version (`*`) for external formatter executables. ([#2757](https://github.com/diffplug/spotless/issues/2757))
 ### Fixed
 - [fix] `NPE` due to workingTreeIterator being null for git ignored files. #911 ([#2771](https://github.com/diffplug/spotless/issues/2771))
+- Prevent race conditions when multiple npm-based formatters launch the server process simultaneously while sharing the same `node_modules` directory. ([#2786](https://github.com/diffplug/spotless/pull/2786))
 ### Changes
 * Bump default `ktlint` version to latest `1.7.1` -> `1.8.0`. ([2763](https://github.com/diffplug/spotless/pull/2763))
 * Bump default `gherkin-utils` version to latest `9.2.0` -> `10.0.0`. ([#2619](https://github.com/diffplug/spotless/pull/2619))
diff --git a/plugin-maven/CHANGES.md b/plugin-maven/CHANGES.md
index d996ecc6d8..48b61bc347 100644
--- a/plugin-maven/CHANGES.md
+++ b/plugin-maven/CHANGES.md
@@ -7,6 +7,8 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 - Add the ability to specify a wildcard version (`*`) for external formatter executables. ([#2757](https://github.com/diffplug/spotless/issues/2757))
 ### Fixed
 - [fix] `NPE` due to workingTreeIterator being null for git ignored files. #911 ([#2771](https://github.com/diffplug/spotless/issues/2771))
+- Prevent race conditions when multiple npm-based formatters launch the server process simultaneously while sharing the same `node_modules` directory. ([#2786](https://github.com/diffplug/spotless/pull/2786))
+
 ### Changes
 * Bump default `ktlint` version to latest `1.7.1` -> `1.8.0`. ([2763](https://github.com/diffplug/spotless/pull/2763))
 * Bump default `gherkin-utils` version to latest `9.2.0` -> `10.0.0`. ([#2619](https://github.com/diffplug/spotless/pull/2619))