diff --git a/src/gptscript.ts b/src/gptscript.ts
index 913baab..da5a738 100644
--- a/src/gptscript.ts
+++ b/src/gptscript.ts
@@ -37,7 +37,7 @@ export interface RunOpts {
 	chatState?: string
 	confirm?: boolean
 	prompt?: boolean
-	credentialOverride?: string
+	credentialOverrides?: string[]
 	env?: string[]
 
 	APIKey?: string
diff --git a/tests/gptscript.test.ts b/tests/gptscript.test.ts
index b041c68..799b623 100644
--- a/tests/gptscript.test.ts
+++ b/tests/gptscript.test.ts
@@ -111,7 +111,7 @@ describe("gptscript module", () => {
 
 		const result = await (await g.run(testGptPath, {
       disableCache: true,
-      credentialOverride: 'test.ts.credential_override:TEST_CRED=foo',
+      credentialOverrides: ['test.ts.credential_override:TEST_CRED=foo'],
     })).text()
 
 		expect(result).toBeDefined()