diff --git a/graphql-17.0.0-alpha.9.tgz b/graphql-17.0.0-alpha.9.tgz
new file mode 100644
index 00000000000..36f74553cfd
Binary files /dev/null and b/graphql-17.0.0-alpha.9.tgz differ
diff --git a/package-lock.json b/package-lock.json
index 6bda573d157..8056e5341d4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -41,6 +41,7 @@
         "graphql": "16.11.0",
         "graphql-subscriptions": "3.0.0",
         "graphql-tag": "2.12.6",
+        "graphql17": "file:graphql-17.0.0-alpha.9.tgz",
         "jest": "30.0.5",
         "jest-config": "30.0.5",
         "jest-junit": "16.0.0",
@@ -8693,6 +8694,17 @@
         "graphql": ">=0.11 <=16"
       }
     },
+    "node_modules/graphql17": {
+      "name": "graphql",
+      "version": "17.0.0-alpha.9",
+      "resolved": "file:graphql-17.0.0-alpha.9.tgz",
+      "integrity": "sha512-+hYNzG/Se4p1STHPblhVjhFWZf0rwffLHuDZ78YpyfR9vQ92pNfSq+DMbZFewAm/S+HXIOn7d+jrvmVIzLnejQ==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": "^20.0.0 || ^22.0.0 || >=24.0.0"
+      }
+    },
     "node_modules/handlebars": {
       "version": "4.7.8",
       "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.8.tgz",
diff --git a/package.json b/package.json
index 31c5ec41b32..52f895408d2 100644
--- a/package.json
+++ b/package.json
@@ -67,6 +67,7 @@
     "graphql": "16.11.0",
     "graphql-subscriptions": "3.0.0",
     "graphql-tag": "2.12.6",
+    "graphql17": "file:graphql-17.0.0-alpha.9.tgz",
     "jest": "30.0.5",
     "jest-config": "30.0.5",
     "jest-junit": "16.0.0",
diff --git a/packages/server/jest.config.js b/packages/server/jest.config.js
index 26dd944c18c..3215ffcd4b5 100644
--- a/packages/server/jest.config.js
+++ b/packages/server/jest.config.js
@@ -2,4 +2,9 @@ import baseConfig from '../../jest.config.base.js';
 
 // This needs to be "cloned" since jest depends on the object's identity in some
 // way, whether it's via mutation or something else.
-export default { ...baseConfig };
+export default {
+  ...baseConfig,
+  testEnvironmentOptions: {
+    customExportConditions: ['node', 'development'],
+  },
+};
diff --git a/packages/server/src/__tests__/testGraphql17DevMode.test.ts b/packages/server/src/__tests__/testGraphql17DevMode.test.ts
new file mode 100644
index 00000000000..4f148ce24e1
--- /dev/null
+++ b/packages/server/src/__tests__/testGraphql17DevMode.test.ts
@@ -0,0 +1,22 @@
+import { describe, it, expect } from '@jest/globals';
+import { GraphQLObjectType, isObjectType, version } from 'graphql17';
+
+describe('canary graphql v17-alpha', () => {
+  it('should work', () => {
+    expect(version).toBe('17.0.0-alpha.9'); // this version is the latest alpha on which the canary is based
+  });
+
+  it('should use development mode when set by our Jest Config', () => {
+    function getFakeGraphQLObjectType() {
+      class GraphQLObjectType {
+        get [Symbol.toStringTag]() {
+          return 'GraphQLObjectType';
+        }
+      }
+      return new GraphQLObjectType();
+    }
+
+    expect(isObjectType(new GraphQLObjectType({ name: 'SomeType', fields: {} }))).toBe(true);
+    expect(() => isObjectType(getFakeGraphQLObjectType())).toThrow();
+  });
+});