diff --git a/tests/api/register-enriched.e2e.test.ts b/tests/api/register-enriched.e2e.test.ts
index 72f10d7..d015dc4 100644
--- a/tests/api/register-enriched.e2e.test.ts
+++ b/tests/api/register-enriched.e2e.test.ts
@@ -4,7 +4,7 @@ import Fastify, { type FastifyInstance } from 'fastify';
 const { insertMock, valuesMock, onConflictDoUpdateMock, returningMock } = vi.hoisted(() => {
   const returningMock = vi.fn();
   const onConflictDoUpdateMock = vi.fn(() => ({ returning: returningMock }));
-  const valuesMock = vi.fn(() => ({ onConflictDoUpdate: onConflictDoUpdateMock }));
+  const valuesMock = vi.fn((_values: Record<string, unknown>) => ({ onConflictDoUpdate: onConflictDoUpdateMock }));
   const insertMock = vi.fn(() => ({ values: valuesMock }));
   return { insertMock, valuesMock, onConflictDoUpdateMock, returningMock };
 });
diff --git a/tests/api/register.test.ts b/tests/api/register.test.ts
index d07dd33..7df6eda 100644
--- a/tests/api/register.test.ts
+++ b/tests/api/register.test.ts
@@ -5,7 +5,7 @@ import Fastify, { FastifyInstance } from 'fastify';
 const { insertMock, valuesMock, onConflictDoUpdateMock, returningMock } = vi.hoisted(() => {
   const returningMock = vi.fn();
   const onConflictDoUpdateMock = vi.fn(() => ({ returning: returningMock }));
-  const valuesMock = vi.fn(() => ({ onConflictDoUpdate: onConflictDoUpdateMock }));
+  const valuesMock = vi.fn((_values: Record<string, unknown>) => ({ onConflictDoUpdate: onConflictDoUpdateMock }));
   const insertMock = vi.fn(() => ({ values: valuesMock }));
   return { insertMock, valuesMock, onConflictDoUpdateMock, returningMock };
 });