diff --git a/README.md b/README.md
index 21657bee..a8e83eba 100644
--- a/README.md
+++ b/README.md
@@ -169,6 +169,7 @@ You can pass the following options via CLI arguments. You can also use `--config
 | Use custom options                                                                                                                      | `-o`          | `--options`        | `FASTIFY_OPTIONS`        |
 | Set the prefix                                                                                                                          | `-x`          | `--prefix`         | `FASTIFY_PREFIX`         |
 | Set the plugin timeout                                                                                                                  | `-T`          | `--plugin-timeout` | `FASTIFY_PLUGIN_TIMEOUT` |
+| Set forceCloseConnections option on fastify instance                                                                                    | `-f`          | `--force-close-connections` | `FASTIFY_FORCE_CLOSE_CONNECTIONS` |
 | Defines the maximum payload, in bytes,<br>that the server is allowed to accept                                                               |               | `--body-limit`     | `FASTIFY_BODY_LIMIT`     |
 | Set the maximum ms delay before forcefully closing pending requests after receiving SIGTERM or SIGINT signals; and uncaughtException or unhandledRejection errors (default: 500)                                                           | `-g`         | `--close-grace-delay`     | `FASTIFY_CLOSE_GRACE_DELAY`     |
 
diff --git a/args.js b/args.js
index 1f842bc2..05633152 100644
--- a/args.js
+++ b/args.js
@@ -29,7 +29,7 @@ module.exports = function parseArgs (args) {
     },
     number: ['port', 'inspect-port', 'body-limit', 'plugin-timeout', 'close-grace-delay'],
     string: ['log-level', 'address', 'socket', 'prefix', 'ignore-watch', 'logging-module', 'debug-host', 'lang', 'require', 'import', 'config', 'method'],
-    boolean: ['pretty-logs', 'options', 'watch', 'verbose-watch', 'debug', 'standardlint', 'common-prefix', 'include-hooks'],
+    boolean: ['pretty-logs', 'options', 'watch', 'verbose-watch', 'debug', 'standardlint', 'common-prefix', 'include-hooks', 'force-close-connections'],
     envPrefix: 'FASTIFY_',
     alias: {
       port: ['p'],
@@ -47,6 +47,7 @@ module.exports = function parseArgs (args) {
       'log-level': ['l'],
       'pretty-logs': ['P'],
       'plugin-timeout': ['T'],
+      'force-close-connections': ['f'],
       'close-grace-delay': ['g'],
       'logging-module': ['L'],
       'verbose-watch': ['V']
@@ -73,6 +74,7 @@ module.exports = function parseArgs (args) {
     port: parsedArgs.port,
     bodyLimit: parsedArgs.bodyLimit,
     pluginTimeout: parsedArgs.pluginTimeout,
+    forceCloseConnections: parsedArgs.forceCloseConnections,
     closeGraceDelay: parsedArgs.closeGraceDelay,
     pluginOptions,
     prettyLogs: parsedArgs.prettyLogs,
diff --git a/start.js b/start.js
index e359369e..f0775e11 100755
--- a/start.js
+++ b/start.js
@@ -139,6 +139,10 @@ async function runFastify (args, additionalOptions, serverOptions) {
     options.bodyLimit = opts.bodyLimit
   }
 
+  if (opts.forceCloseConnections) {
+    options.forceCloseConnections = opts.forceCloseConnections
+  }
+
   if (opts.prettyLogs) {
     options.logger.transport = {
       target: 'pino-pretty'
diff --git a/test/args.test.js b/test/args.test.js
index 5d024a83..c128e22a 100644
--- a/test/args.test.js
+++ b/test/args.test.js
@@ -21,6 +21,7 @@ test('should parse args correctly', t => {
     '--options', 'true',
     '--prefix', 'FASTIFY_',
     '--plugin-timeout', '500',
+    '--force-close-connections', 'true',
     '--close-grace-delay', '30000',
     '--body-limit', '5242880',
     '--debug', 'true',
@@ -47,6 +48,7 @@ test('should parse args correctly', t => {
     logLevel: 'info',
     prefix: 'FASTIFY_',
     pluginTimeout: 500,
+    forceCloseConnections: true,
     closeGraceDelay: 30000,
     pluginOptions: {},
     bodyLimit: 5242880,
@@ -78,6 +80,7 @@ test('should parse args with = assignment correctly', t => {
     '--options=true',
     '--prefix=FASTIFY_',
     '--plugin-timeout=500',
+    '--force-close-connections=true',
     '--close-grace-delay=30000',
     '--body-limit=5242880',
     '--debug=true',
@@ -104,6 +107,7 @@ test('should parse args with = assignment correctly', t => {
     logLevel: 'info',
     prefix: 'FASTIFY_',
     pluginTimeout: 500,
+    forceCloseConnections: true,
     closeGraceDelay: 30000,
     pluginOptions: {},
     bodyLimit: 5242880,
@@ -135,6 +139,7 @@ test('should parse env vars correctly', t => {
   process.env.FASTIFY_PREFIX = 'FASTIFY_'
   process.env.FASTIFY_BODY_LIMIT = '5242880'
   process.env.FASTIFY_PLUGIN_TIMEOUT = '500'
+  process.env.FASTIFY_FORCE_CLOSE_CONNECTIONS = 'true'
   process.env.FASTIFY_CLOSE_GRACE_DELAY = '30000'
   process.env.FASTIFY_DEBUG = 'true'
   process.env.FASTIFY_DEBUG_PORT = '1111'
@@ -156,6 +161,7 @@ test('should parse env vars correctly', t => {
     delete process.env.FASTIFY_PREFIX
     delete process.env.FASTIFY_BODY_LIMIT
     delete process.env.FASTIFY_PLUGIN_TIMEOUT
+    delete process.env.FASTIFY_FORCE_CLOSE_CONNECTIONS
     delete process.env.FASTIFY_CLOSE_GRACE_DELAY
     delete process.env.FASTIFY_DEBUG
     delete process.env.FASTIFY_DEBUG_PORT
@@ -181,6 +187,7 @@ test('should parse env vars correctly', t => {
     require: './require-module.js',
     import: './import-module.js',
     pluginTimeout: 500,
+    forceCloseConnections: true,
     closeGraceDelay: 30000,
     pluginOptions: {},
     debug: true,
@@ -195,7 +202,7 @@ test('should parse env vars correctly', t => {
 })
 
 test('should respect default values', t => {
-  t.plan(14)
+  t.plan(15)
 
   const argv = [
     'app.js'
@@ -211,6 +218,7 @@ test('should respect default values', t => {
   t.equal(parsedArgs.verboseWatch, false)
   t.equal(parsedArgs.logLevel, 'fatal')
   t.equal(parsedArgs.pluginTimeout, 10000)
+  t.equal(parsedArgs.forceCloseConnections, undefined)
   t.equal(parsedArgs.closeGraceDelay, 500)
   t.equal(parsedArgs.debug, false)
   t.equal(parsedArgs.debugPort, 9320)
@@ -236,6 +244,7 @@ test('should parse custom plugin options', t => {
     '--options', 'true',
     '--prefix', 'FASTIFY_',
     '--plugin-timeout', '500',
+    '--force-close-connections', 'true',
     '--close-grace-delay', '30000',
     '--body-limit', '5242880',
     '--debug', 'true',
@@ -269,6 +278,7 @@ test('should parse custom plugin options', t => {
     logLevel: 'info',
     prefix: 'FASTIFY_',
     pluginTimeout: 500,
+    forceCloseConnections: true,
     closeGraceDelay: 30000,
     pluginOptions: {
       a: true,
@@ -303,6 +313,7 @@ test('should parse config file correctly and prefer config values over default o
     port: 5000,
     bodyLimit: undefined,
     pluginTimeout: 9000,
+    forceCloseConnections: true,
     closeGraceDelay: 1000,
     pluginOptions: {},
     prettyLogs: true,
@@ -335,6 +346,7 @@ test('should prefer command line args over config file options', t => {
     '--port', '4000',
     '--debugPort', '9320',
     '--plugin-timeout', '10000',
+    '--force-close-connections', 'false',
     '--close-grace-delay', '30000',
     'app.js'
   ]
@@ -346,6 +358,7 @@ test('should prefer command line args over config file options', t => {
     port: 4000,
     bodyLimit: undefined,
     pluginTimeout: 10000,
+    forceCloseConnections: false,
     closeGraceDelay: 30000,
     pluginOptions: {},
     prettyLogs: true,
diff --git a/test/data/custom-config.js b/test/data/custom-config.js
index 744e471c..8195022d 100644
--- a/test/data/custom-config.js
+++ b/test/data/custom-config.js
@@ -8,5 +8,6 @@ module.exports = {
   prettyLogs: true,
   debugPort: 4000,
   pluginTimeout: 9 * 1000,
+  forceCloseConnections: true,
   closeGraceDelay: 1000
 }