diff --git a/mcp/packages/plugin/src/ConnectionMetadata.test.ts b/mcp/packages/plugin/src/ConnectionMetadata.test.ts
index 4eb072a38d..19f6f28b7b 100644
--- a/mcp/packages/plugin/src/ConnectionMetadata.test.ts
+++ b/mcp/packages/plugin/src/ConnectionMetadata.test.ts
@@ -7,6 +7,7 @@ import ts from "typescript";
 import { shouldReconnectAfterClose } from "./ReconnectPolicy.ts";
 import { SessionId } from "./SessionId.ts";
 import { SessionIdDisplay } from "./SessionIdDisplay.ts";
+import { extractMinorVersion, isCompatibleVersion } from "./VersionCompatibility.ts";
 
 /** Compiles the actual plugin entry point for a simulated browser boundary. */
 function compile(name: string) {
@@ -163,6 +164,8 @@ test("answers heartbeat requests once initialized, without forwarding them to th
  */
 const pluginModules = {
     ExecuteCodeTaskHandler: class {},
+    extractMinorVersion,
+    isCompatibleVersion,
     LocalStorageRollbackStore: class {},
     RollbackLog: class {
         listen() {}