diff --git a/src/common/vars.ts b/src/common/vars.ts
index 94ded7028e..aa965e4721 100644
--- a/src/common/vars.ts
+++ b/src/common/vars.ts
@@ -69,7 +69,8 @@ export const slackUrl = "https://join.slack.com/t/k8slens/shared_invite/enQtOTc5
 export const supportUrl = "https://docs.k8slens.dev/latest/support/";
 
 // This explicitly ignores the prerelease info on the package version
-const { major, minor, patch } = new SemVer(packageInfo.version);
+export const appSemVer = new SemVer(packageInfo.version);
+const { major, minor, patch } = appSemVer;
 const mmpVersion = [major, minor, patch].join(".");
 const docsVersion = isProduction ? `v${mmpVersion}` : "latest";
 
diff --git a/src/extensions/__tests__/lens-extension.test.ts b/src/extensions/__tests__/lens-extension.test.ts
index 57ae8b8a68..c415c1c37a 100644
--- a/src/extensions/__tests__/lens-extension.test.ts
+++ b/src/extensions/__tests__/lens-extension.test.ts
@@ -38,7 +38,8 @@ describe("lens extension", () => {
       absolutePath: "/absolute/fake/",
       manifestPath: "/this/is/fake/package.json",
       isBundled: false,
-      isEnabled: true
+      isEnabled: true,
+      isValid: true
     });
   });
 
diff --git a/src/extensions/extension-discovery.ts b/src/extensions/extension-discovery.ts
index 8a0929d016..99c9847e44 100644
--- a/src/extensions/extension-discovery.ts
+++ b/src/extensions/extension-discovery.ts
@@ -30,11 +30,13 @@ import { broadcastMessage, handleRequest, requestMain, subscribeToBroadcast } fr
 import { Singleton, toJS } from "../common/utils";
 import logger from "../main/logger";
 import { ExtensionInstallationStateStore } from "../renderer/components/+extensions/extension-install.store";
-import { extensionInstaller, PackageJson } from "./extension-installer";
+import { extensionInstaller } from "./extension-installer";
 import { ExtensionsStore } from "./extensions-store";
 import { ExtensionLoader } from "./extension-loader";
 import type { LensExtensionId, LensExtensionManifest } from "./lens-extension";
-
+import type { PackageJson } from "type-fest";
+import semver from "semver";
+import { appSemVer } from "../common/vars";
 export interface InstalledExtension {
   id: LensExtensionId;
 
@@ -47,6 +49,7 @@ export interface InstalledExtension {
   // Absolute to the symlinked package.json file
   readonly manifestPath: string;
   readonly isBundled: boolean; // defined in project root's package.json
+  readonly isValid: boolean;
   isEnabled: boolean;
 }
 
@@ -348,12 +351,17 @@ export class ExtensionDiscovery extends Singleton {
    */
   protected async getByManifest(manifestPath: string, { isBundled = false } = {}): Promise<InstalledExtension | null> {
     try {
-      const manifest = await fse.readJson(manifestPath);
+      const manifest = await fse.readJson(manifestPath) as LensExtensionManifest;
       const installedManifestPath = this.getInstalledManifestPath(manifest.name);
       const isEnabled = isBundled || ExtensionsStore.getInstance().isEnabled(installedManifestPath);
       const extensionDir = path.dirname(manifestPath);
       const npmPackage = path.join(extensionDir, `${manifest.name}-${manifest.version}.tgz`);
       const absolutePath = (await fse.pathExists(npmPackage)) ? npmPackage : extensionDir;
+      let isValid = false;
+
+      if (manifest.engines?.lens) {
+        isValid = semver.satisfies(appSemVer, manifest.engines.lens);
+      }
 
       return {
         id: installedManifestPath,
@@ -361,7 +369,8 @@ export class ExtensionDiscovery extends Singleton {
         manifestPath: installedManifestPath,
         manifest,
         isBundled,
-        isEnabled
+        isEnabled,
+        isValid
       };
     } catch (error) {
       if (error.code === "ENOTDIR") {
diff --git a/src/extensions/extension-installer.ts b/src/extensions/extension-installer.ts
index 797da91c5f..57e67183bf 100644
--- a/src/extensions/extension-installer.ts
+++ b/src/extensions/extension-installer.ts
@@ -25,17 +25,10 @@ import fs from "fs-extra";
 import path from "path";
 import logger from "../main/logger";
 import { extensionPackagesRoot } from "./extension-loader";
+import type { PackageJson } from "type-fest";
 
 const logModule = "[EXTENSION-INSTALLER]";
 
-type Dependencies = {
-  [name: string]: string;
-};
-
-// Type for the package.json file that is written by ExtensionInstaller
-export type PackageJson = {
-  dependencies: Dependencies;
-};
 
 /**
  * Installs dependencies for extensions
diff --git a/src/extensions/extension-loader.ts b/src/extensions/extension-loader.ts
index b3bec33179..bffc762c3b 100644
--- a/src/extensions/extension-loader.ts
+++ b/src/extensions/extension-loader.ts
@@ -299,7 +299,7 @@ export class ExtensionLoader extends Singleton {
       for (const [extId, extension] of installedExtensions) {
         const alreadyInit = this.instances.has(extId);
 
-        if (extension.isEnabled && !alreadyInit) {
+        if (extension.isValid && extension.isEnabled && !alreadyInit) {
           try {
             const LensExtensionClass = this.requireExtension(extension);
 
diff --git a/src/extensions/lens-extension.ts b/src/extensions/lens-extension.ts
index 6f03829121..7b927def01 100644
--- a/src/extensions/lens-extension.ts
+++ b/src/extensions/lens-extension.ts
@@ -25,17 +25,16 @@ import { FilesystemProvisionerStore } from "../main/extension-filesystem";
 import logger from "../main/logger";
 import type { ProtocolHandlerRegistration } from "./registries";
 import { disposer } from "../common/utils";
+import type { PackageJson } from "type-fest";
 
 export type LensExtensionId = string; // path to manifest (package.json)
 export type LensExtensionConstructor = new (...args: ConstructorParameters<typeof LensExtension>) => LensExtension;
 
-export interface LensExtensionManifest {
+export interface LensExtensionManifest extends PackageJson {
   name: string;
   version: string;
-  description?: string;
   main?: string; // path to %ext/dist/main.js
   renderer?: string; // path to %ext/dist/renderer.js
-  lens?: object; // fixme: add more required fields for validation
 }
 
 export const Disposers = Symbol();
diff --git a/src/extensions/registries/__tests__/page-registry.test.ts b/src/extensions/registries/__tests__/page-registry.test.ts
index 8c6582b437..78a7bbe1da 100644
--- a/src/extensions/registries/__tests__/page-registry.test.ts
+++ b/src/extensions/registries/__tests__/page-registry.test.ts
@@ -40,7 +40,8 @@ describe("getPageUrl", () => {
       absolutePath: "/absolute/fake/",
       manifestPath: "/this/is/fake/package.json",
       isBundled: false,
-      isEnabled: true
+      isEnabled: true,
+      isValid: true
     });
     globalPageRegistry.add({
       id: "page-with-params",
@@ -107,7 +108,8 @@ describe("globalPageRegistry", () => {
       absolutePath: "/absolute/fake/",
       manifestPath: "/this/is/fake/package.json",
       isBundled: false,
-      isEnabled: true
+      isEnabled: true,
+      isValid: true
     });
     globalPageRegistry.add([
       {
diff --git a/src/main/protocol-handler/__test__/router.test.ts b/src/main/protocol-handler/__test__/router.test.ts
index 414881dec1..c5a95f4a79 100644
--- a/src/main/protocol-handler/__test__/router.test.ts
+++ b/src/main/protocol-handler/__test__/router.test.ts
@@ -87,6 +87,7 @@ describe("protocol router tests", () => {
       },
       isBundled: false,
       isEnabled: true,
+      isValid: true,
       absolutePath: "/foo/bar",
     });
     const lpr = LensProtocolRouterMain.getInstance();
@@ -164,6 +165,7 @@ describe("protocol router tests", () => {
       },
       isBundled: false,
       isEnabled: true,
+      isValid: true,
       absolutePath: "/foo/bar",
     });
 
@@ -204,6 +206,7 @@ describe("protocol router tests", () => {
         },
         isBundled: false,
         isEnabled: true,
+        isValid: true,
         absolutePath: "/foo/bar",
       });
 
@@ -228,6 +231,7 @@ describe("protocol router tests", () => {
         },
         isBundled: false,
         isEnabled: true,
+        isValid: true,
         absolutePath: "/foo/bar",
       });
 
diff --git a/src/renderer/components/+extensions/__tests__/extensions.test.tsx b/src/renderer/components/+extensions/__tests__/extensions.test.tsx
index 40a523d8a3..537d8d4a99 100644
--- a/src/renderer/components/+extensions/__tests__/extensions.test.tsx
+++ b/src/renderer/components/+extensions/__tests__/extensions.test.tsx
@@ -76,7 +76,8 @@ describe("Extensions", () => {
       absolutePath: "/absolute/path",
       manifestPath: "/symlinked/path/package.json",
       isBundled: false,
-      isEnabled: true
+      isEnabled: true,
+      isValid: true
     });
   });
 
diff --git a/src/renderer/components/+extensions/installed-extensions.module.css b/src/renderer/components/+extensions/installed-extensions.module.css
index 831ece9024..b685f029fe 100644
--- a/src/renderer/components/+extensions/installed-extensions.module.css
+++ b/src/renderer/components/+extensions/installed-extensions.module.css
@@ -11,6 +11,10 @@
   color: var(--colorOk);
 }
 
+.invalid {
+  color: var(--colorWarning);
+}
+
 .title {
   margin-bottom: 0!important;
 }
@@ -22,4 +26,4 @@
 
 .frozenRow {
   @apply opacity-30 pointer-events-none;
-}
\ No newline at end of file
+}
diff --git a/src/renderer/components/+extensions/installed-extensions.tsx b/src/renderer/components/+extensions/installed-extensions.tsx
index f896f410fd..b336e7160a 100644
--- a/src/renderer/components/+extensions/installed-extensions.tsx
+++ b/src/renderer/components/+extensions/installed-extensions.tsx
@@ -39,14 +39,18 @@ interface Props {
   uninstall: (extension: InstalledExtension) => void;
 }
 
-function getStatus(isEnabled: boolean) {
-  return isEnabled ? "Enabled" : "Disabled";
+function getStatus(extension: InstalledExtension) {
+  if (!extension.isValid) {
+    return "Incompatible";
+  }
+
+  return extension.isEnabled ? "Enabled" : "Disabled";
 }
 
 export const InstalledExtensions = observer(({ extensions, uninstall, enable, disable }: Props) => {
   const filters = [
     (extension: InstalledExtension) => extension.manifest.name,
-    (extension: InstalledExtension) => getStatus(extension.isEnabled),
+    (extension: InstalledExtension) => getStatus(extension),
     (extension: InstalledExtension) => extension.manifest.version,
   ];
 
@@ -87,7 +91,7 @@ export const InstalledExtensions = observer(({ extensions, uninstall, enable, di
   const data = useMemo(
     () => {
       return extensions.map(extension => {
-        const { id, isEnabled, manifest } = extension;
+        const { id, isEnabled, isValid, manifest } = extension;
         const { name, description, version } = manifest;
         const isUninstalling = ExtensionInstallationStateStore.isExtensionUninstalling(id);
 
@@ -102,29 +106,34 @@ export const InstalledExtensions = observer(({ extensions, uninstall, enable, di
           ),
           version,
           status: (
-            <div className={cssNames({[styles.enabled]: getStatus(isEnabled) == "Enabled"})}>
-              {getStatus(isEnabled)}
+            <div className={cssNames({[styles.enabled]: isEnabled, [styles.invalid]: !isValid})}>
+              {getStatus(extension)}
             </div>
           ),
           actions: (
             <MenuActions usePortal toolbar={false}>
-              {isEnabled ? (
-                <MenuItem
-                  disabled={isUninstalling}
-                  onClick={() => disable(id)}
-                >
-                  <Icon material="unpublished"/>
-                  <span className="title" aria-disabled={isUninstalling}>Disable</span>
-                </MenuItem>
-              ) : (
-                <MenuItem
-                  disabled={isUninstalling}
-                  onClick={() => enable(id)}
-                >
-                  <Icon material="check_circle"/>
-                  <span className="title" aria-disabled={isUninstalling}>Enable</span>
-                </MenuItem>
+              { isValid && (
+                <>
+                  {isEnabled ? (
+                    <MenuItem
+                      disabled={isUninstalling}
+                      onClick={() => disable(id)}
+                    >
+                      <Icon material="unpublished"/>
+                      <span className="title" aria-disabled={isUninstalling}>Disable</span>
+                    </MenuItem>
+                  ) : (
+                    <MenuItem
+                      disabled={isUninstalling}
+                      onClick={() => enable(id)}
+                    >
+                      <Icon material="check_circle"/>
+                      <span className="title" aria-disabled={isUninstalling}>Enable</span>
+                    </MenuItem>
+                  )}
+                </>
               )}
+
               <MenuItem
                 disabled={isUninstalling}
                 onClick={() => uninstall(extension)}