diff --git a/package.json b/package.json
index 56e3beed67..46bc11c607 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "compile": "env NODE_ENV=production concurrently yarn:compile:*",
     "compile:main": "yarn run webpack --config webpack/main.ts",
     "compile:renderer": "yarn run webpack --config webpack/renderer.ts",
-    "compile:extension-types": "yarn run webpack --config webpack/extensions.ts",
+    "compile:extension-types": "yarn run tsc --project tsconfig.extension-api.json",
     "npm:fix-build-version": "yarn run ts-node build/set_build_version.ts",
     "npm:fix-package-version": "yarn run ts-node build/set_npm_version.ts",
     "build:linux": "yarn run compile && electron-builder --linux --dir",
diff --git a/src/common/k8s-api/kube-object.ts b/src/common/k8s-api/kube-object.ts
index 97b17f5b40..2f32b50c62 100644
--- a/src/common/k8s-api/kube-object.ts
+++ b/src/common/k8s-api/kube-object.ts
@@ -42,7 +42,7 @@ export type KubeTemplateObjectMetadata<Namespaced extends KubeObjectScope> = Pic
   namespace?: ScopedNamespace<Namespaced>;
 };
 
-interface BaseKubeJsonApiObjectMetadata<Namespaced extends KubeObjectScope> {
+export interface BaseKubeJsonApiObjectMetadata<Namespaced extends KubeObjectScope> {
   /**
    * Annotations is an unstructured key value map stored with a resource that may be set by
    * external tools to store and retrieve arbitrary metadata. They are not queryable and should be
diff --git a/src/extensions/renderer-api/k8s-api.ts b/src/extensions/renderer-api/k8s-api.ts
index 68673c4e01..fa0f210511 100644
--- a/src/extensions/renderer-api/k8s-api.ts
+++ b/src/extensions/renderer-api/k8s-api.ts
@@ -6,6 +6,7 @@ import type { KubeResource } from "../../common/rbac";
 import isAllowedResourceInjectable from "../../common/utils/is-allowed-resource.injectable";
 import { castArray } from "lodash/fp";
 import { getLegacyGlobalDiForExtensionApi } from "../as-legacy-globals-for-extension-api/legacy-global-di-for-extension-api";
+import type { BaseKubeJsonApiObjectMetadata } from "../../common/k8s-api/kube-object";
 
 export function isAllowedResource(resource: KubeResource | KubeResource[]) {
   const resources = castArray(resource);
@@ -20,6 +21,9 @@ export function isAllowedResource(resource: KubeResource | KubeResource[]) {
   });
 }
 
+export {
+  BaseKubeJsonApiObjectMetadata,
+};
 export { ResourceStack } from "../../common/k8s/resource-stack";
 export { apiManager } from "../../common/k8s-api/api-manager";
 export { KubeObjectStore } from "../../common/k8s-api/kube-object.store";
diff --git a/tsconfig.extension-api.json b/tsconfig.extension-api.json
new file mode 100644
index 0000000000..f3c73d1ef7
--- /dev/null
+++ b/tsconfig.extension-api.json
@@ -0,0 +1,47 @@
+{
+  "compilerOptions": {
+    "baseUrl": ".",
+    "jsx": "react",
+    "target": "ES2019",
+    "module": "ESNext",
+    "lib": [
+      "ESNext",
+      "DOM",
+      "DOM.Iterable"
+    ],
+    "moduleResolution": "Node",
+    "strict": true,
+    "experimentalDecorators": true,
+    "emitDecoratorMetadata": true,
+    "isolatedModules": true,
+    "skipLibCheck": true,
+    "allowJs": false,
+    "esModuleInterop": true,
+    "allowSyntheticDefaultImports": true,
+    "importsNotUsedAsValues": "error",
+    "traceResolution": false,
+    "resolveJsonModule": true,
+    "useDefineForClassFields": true,
+    "paths": {
+      "*": [
+        "node_modules/*",
+        "types/*"
+      ]
+    },
+    "plugins": [
+      {
+        "name": "typescript-plugin-css-modules"
+      }
+    ],
+    "emitDeclarationOnly": true,
+    "noEmitOnError": true,
+    "declaration": true,
+    "declarationDir": "./src/extensions/npm/extensions/dist",
+  },
+  "include": [
+    "types/*.d.ts",
+  ],
+  "files": [
+    "./src/extensions/extension-api.ts",
+  ],
+}