diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 2cd73209..8eeb7ffb 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "9.11.1"
+  ".": "9.11.2"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index bfe33724..4d365e39 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 9.11.2 (2026-05-28)
+
+Full Changelog: [v9.11.1...v9.11.2](https://github.com/Finch-API/finch-api-node/compare/v9.11.1...v9.11.2)
+
+### Bug Fixes
+
+* **mcp:** use `pure-lockfile` when building mcp server ([eced552](https://github.com/Finch-API/finch-api-node/commit/eced55261dcb8ad68bd5b01575cadde6e94c10a7))
+
 ## 9.11.1 (2026-05-27)
 
 Full Changelog: [v9.11.0...v9.11.1](https://github.com/Finch-API/finch-api-node/compare/v9.11.0...v9.11.1)
diff --git a/package.json b/package.json
index 33081d50..57d764db 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tryfinch/finch-api",
-  "version": "9.11.1",
+  "version": "9.11.2",
   "description": "The official TypeScript library for the Finch API",
   "author": "Finch <founders@tryfinch.com>",
   "types": "dist/index.d.ts",
diff --git a/packages/mcp-server/manifest.json b/packages/mcp-server/manifest.json
index dcd5a7f4..b0a31d3a 100644
--- a/packages/mcp-server/manifest.json
+++ b/packages/mcp-server/manifest.json
@@ -1,7 +1,7 @@
 {
   "dxt_version": "0.2",
   "name": "@tryfinch/finch-api-mcp",
-  "version": "9.11.1",
+  "version": "9.11.2",
   "description": "The official MCP Server for the Finch API",
   "author": {
     "name": "Finch",
diff --git a/packages/mcp-server/package.json b/packages/mcp-server/package.json
index 560c6dcf..0be603ce 100644
--- a/packages/mcp-server/package.json
+++ b/packages/mcp-server/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tryfinch/finch-api-mcp",
-  "version": "9.11.1",
+  "version": "9.11.2",
   "description": "The official MCP Server for the Finch API",
   "author": "Finch <founders@tryfinch.com>",
   "types": "dist/index.d.ts",
diff --git a/packages/mcp-server/src/server.ts b/packages/mcp-server/src/server.ts
index c7fdc2ff..b45011ed 100644
--- a/packages/mcp-server/src/server.ts
+++ b/packages/mcp-server/src/server.ts
@@ -29,7 +29,7 @@ export const newMcpServer = async ({
   new McpServer(
     {
       name: 'tryfinch_finch_api_api',
-      version: '9.11.1',
+      version: '9.11.2',
     },
     {
       instructions: await getInstructions({ stainlessApiKey, customInstructionsPath }),
diff --git a/scripts/build b/scripts/build
index 4a87eb89..d53abe7c 100755
--- a/scripts/build
+++ b/scripts/build
@@ -52,6 +52,6 @@ fi
 # build all sub-packages
 for dir in packages/*; do
   if [ -d "$dir" ]; then
-      (cd "$dir" && yarn install && yarn build)
+      (cd "$dir" && yarn install --pure-lockfile && yarn build)
   fi
 done
diff --git a/src/version.ts b/src/version.ts
index 3060b35c..e01004a9 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '9.11.1'; // x-release-please-version
+export const VERSION = '9.11.2'; // x-release-please-version