diff --git a/qa/convex-credential-broker/convex/http.ts b/qa/convex-credential-broker/convex/http.ts
index 272fef058e62..e888c5a46f69 100644
--- a/qa/convex-credential-broker/convex/http.ts
+++ b/qa/convex-credential-broker/convex/http.ts
@@ -3,7 +3,7 @@ import { httpRouter } from "convex/server";
 import { internal } from "./_generated/api";
 import type { Id } from "./_generated/dataModel";
 import { httpAction } from "./_generated/server";
-import { normalizeCredentialPayloadForKind } from "./payload-validation";
+import { normalizeCredentialPayloadForKind } from "./payload_validation";
 
 type ActorRole = "ci" | "maintainer";
 
diff --git a/qa/convex-credential-broker/convex/payload-validation.ts b/qa/convex-credential-broker/convex/payload_validation.ts
similarity index 100%
rename from qa/convex-credential-broker/convex/payload-validation.ts
rename to qa/convex-credential-broker/convex/payload_validation.ts
diff --git a/test/qa-convex-credential-payload-validation.test.ts b/test/qa-convex-credential-payload-validation.test.ts
index 19370393178d..68ad5896a13d 100644
--- a/test/qa-convex-credential-payload-validation.test.ts
+++ b/test/qa-convex-credential-payload-validation.test.ts
@@ -3,7 +3,7 @@ import { describe, expect, it } from "vitest";
 import {
   CredentialPayloadValidationError,
   normalizeCredentialPayloadForKind,
-} from "../qa/convex-credential-broker/convex/payload-validation.js";
+} from "../qa/convex-credential-broker/convex/payload_validation.js";
 
 describe("QA Convex credential payload validation", () => {
   it("normalizes Discord credential payloads", () => {
diff --git a/test/scripts/mantis-telegram-desktop-proof-workflow.test.ts b/test/scripts/mantis-telegram-desktop-proof-workflow.test.ts
index 3329998b52a4..215bdc0d0cb7 100644
--- a/test/scripts/mantis-telegram-desktop-proof-workflow.test.ts
+++ b/test/scripts/mantis-telegram-desktop-proof-workflow.test.ts
@@ -260,7 +260,7 @@ describe("Mantis Telegram Desktop proof workflow", () => {
       'const TELEGRAM_USER_QA_CREDENTIAL_KIND = "telegram-user";',
     );
     expect(readFileSync(CREDENTIAL_SCRIPT, "utf8")).not.toMatch(
-      /from "\.\.\/qa\/convex-credential-broker\/convex\/payload-validation\.js"/u,
+      /from "\.\.\/qa\/convex-credential-broker\/convex\/payload_validation\.js"/u,
     );
   });