From e14ad242e12e42bda637597f4af25fe5f9613bd9 Mon Sep 17 00:00:00 2001
From: Jake O'Brien <jake.obrien@glassatlas.com>
Date: Wed, 16 Sep 2026 11:10:40 +0100
Subject: [PATCH 1/2] implement request concurrency for gen2 functions

---
 CHANGELOG.md           | 4 ++++
 package-lock.json      | 4 ++--
 stacks/gcp/GcpStack.ts | 1 +
 types/runtime.ts       | 1 +
 4 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 26b7aa6..ee13df9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+### Added
+
+- `FunctionConfig.requestConcurrency` option for GCP gen2 functions, mapped to `serviceConfig.maxInstanceRequestConcurrency`. Lets functions serve more than one request per instance (defaults to 1 currently).
+
 ## [5.2.0](https://github.com/Space48/cloud-seed/compare/v5.1.0...v5.2.0)
 
 ### Added
diff --git a/package-lock.json b/package-lock.json
index d8c0921..bb42c6e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@space48/cloud-seed",
-  "version": "5.1.0",
+  "version": "5.2.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@space48/cloud-seed",
-      "version": "5.1.0",
+      "version": "5.2.0",
       "license": "MIT",
       "dependencies": {
         "arg": "^5.0.2",
diff --git a/stacks/gcp/GcpStack.ts b/stacks/gcp/GcpStack.ts
index 1780a20..dcb9381 100644
--- a/stacks/gcp/GcpStack.ts
+++ b/stacks/gcp/GcpStack.ts
@@ -167,6 +167,7 @@ export default class GcpStack extends TerraformStack {
           timeoutSeconds: func.timeout ?? 60,
           maxInstanceCount: func.maxInstances,
           minInstanceCount: func.minInstances,
+          maxInstanceRequestConcurrency: func.requestConcurrency,
           environmentVariables,
           ...(func.vpc?.network || func.vpc?.subnet
             ? {
diff --git a/types/runtime.ts b/types/runtime.ts
index 4119ec9..83d00e7 100644
--- a/types/runtime.ts
+++ b/types/runtime.ts
@@ -20,6 +20,7 @@ export type FunctionConfig = {
   };
   maxInstances?: number;
   minInstances?: number;
+  requestConcurrency?: number;
   version?: string;
 };
 

From aee666002ccbdd4997a7c43b47378480a7964ae4 Mon Sep 17 00:00:00 2001
From: Jake O'Brien <jake.obrien@glassatlas.com>
Date: Wed, 16 Sep 2026 12:06:46 +0100
Subject: [PATCH 2/2] bump version

---
 CHANGELOG.md      | 2 ++
 package-lock.json | 4 ++--
 package.json      | 2 +-
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index ee13df9..c142881 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [5.3.0](https://github.com/Space48/cloud-seed/compare/v5.2.0...v5.3.0)
+
 ### Added
 
 - `FunctionConfig.requestConcurrency` option for GCP gen2 functions, mapped to `serviceConfig.maxInstanceRequestConcurrency`. Lets functions serve more than one request per instance (defaults to 1 currently).
diff --git a/package-lock.json b/package-lock.json
index bb42c6e..77b63bf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@space48/cloud-seed",
-  "version": "5.2.0",
+  "version": "5.3.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@space48/cloud-seed",
-      "version": "5.2.0",
+      "version": "5.3.0",
       "license": "MIT",
       "dependencies": {
         "arg": "^5.0.2",
diff --git a/package.json b/package.json
index d523d73..c357d35 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@space48/cloud-seed",
-  "version": "5.2.0",
+  "version": "5.3.0",
   "description": "Cloud infrastructure automation tool that uses Terraform CDK.",
   "main": "dist/index.js",
   "exports": {