diff --git a/backend/src/db/migrations/20250205045509_increase-gcp-auth-limit.ts b/backend/src/db/migrations/20250205045509_increase-gcp-auth-limit.ts
new file mode 100644
index 000000000..02f3904d5
--- /dev/null
+++ b/backend/src/db/migrations/20250205045509_increase-gcp-auth-limit.ts
@@ -0,0 +1,36 @@
+import { Knex } from "knex";
+import { TableName } from "../schemas";
+
+export async function up(knex: Knex): Promise<void> {
+  const hasTable = await knex.schema.hasTable(TableName.IdentityGcpAuth);
+  const hasAllowedProjectsColumn = await knex.schema.hasColumn(TableName.IdentityGcpAuth, "allowedProjects");
+  const hasAllowedServiceAccountsColumn = await knex.schema.hasColumn(
+    TableName.IdentityGcpAuth,
+    "allowedServiceAccounts"
+  );
+  const hasAllowedZones = await knex.schema.hasColumn(TableName.IdentityGcpAuth, "allowedZones");
+  if (hasTable) {
+    await knex.schema.alterTable(TableName.IdentityGcpAuth, (t) => {
+      if (hasAllowedProjectsColumn) t.string("allowedProjects", 2500).alter();
+      if (hasAllowedServiceAccountsColumn) t.string("allowedServiceAccounts", 5000).alter();
+      if (hasAllowedZones) t.string("allowedZones", 2500).alter();
+    });
+  }
+}
+
+export async function down(knex: Knex): Promise<void> {
+  const hasTable = await knex.schema.hasTable(TableName.IdentityGcpAuth);
+  const hasAllowedProjectsColumn = await knex.schema.hasColumn(TableName.IdentityGcpAuth, "allowedProjects");
+  const hasAllowedServiceAccountsColumn = await knex.schema.hasColumn(
+    TableName.IdentityGcpAuth,
+    "allowedServiceAccounts"
+  );
+  const hasAllowedZones = await knex.schema.hasColumn(TableName.IdentityGcpAuth, "allowedZones");
+  if (hasTable) {
+    await knex.schema.alterTable(TableName.IdentityGcpAuth, (t) => {
+      if (hasAllowedProjectsColumn) t.string("allowedProjects").alter();
+      if (hasAllowedServiceAccountsColumn) t.string("allowedServiceAccounts").alter();
+      if (hasAllowedZones) t.string("allowedZones").alter();
+    });
+  }
+}
diff --git a/backend/src/db/schemas/identity-gcp-auths.ts b/backend/src/db/schemas/identity-gcp-auths.ts
index 65c7db837..208058f60 100644
--- a/backend/src/db/schemas/identity-gcp-auths.ts
+++ b/backend/src/db/schemas/identity-gcp-auths.ts
@@ -17,9 +17,9 @@ export const IdentityGcpAuthsSchema = z.object({
   updatedAt: z.date(),
   identityId: z.string().uuid(),
   type: z.string(),
-  allowedServiceAccounts: z.string(),
-  allowedProjects: z.string(),
-  allowedZones: z.string()
+  allowedServiceAccounts: z.string().nullable().optional(),
+  allowedProjects: z.string().nullable().optional(),
+  allowedZones: z.string().nullable().optional()
 });
 
 export type TIdentityGcpAuths = z.infer<typeof IdentityGcpAuthsSchema>;
diff --git a/backend/src/ee/services/audit-log/audit-log-types.ts b/backend/src/ee/services/audit-log/audit-log-types.ts
index ffabb3cc4..daff35dad 100644
--- a/backend/src/ee/services/audit-log/audit-log-types.ts
+++ b/backend/src/ee/services/audit-log/audit-log-types.ts
@@ -762,9 +762,9 @@ interface AddIdentityGcpAuthEvent {
   metadata: {
     identityId: string;
     type: string;
-    allowedServiceAccounts: string;
-    allowedProjects: string;
-    allowedZones: string;
+    allowedServiceAccounts?: string | null;
+    allowedProjects?: string | null;
+    allowedZones?: string | null;
     accessTokenTTL: number;
     accessTokenMaxTTL: number;
     accessTokenNumUsesLimit: number;
@@ -784,9 +784,9 @@ interface UpdateIdentityGcpAuthEvent {
   metadata: {
     identityId: string;
     type?: string;
-    allowedServiceAccounts?: string;
-    allowedProjects?: string;
-    allowedZones?: string;
+    allowedServiceAccounts?: string | null;
+    allowedProjects?: string | null;
+    allowedZones?: string | null;
     accessTokenTTL?: number;
     accessTokenMaxTTL?: number;
     accessTokenNumUsesLimit?: number;