diff --git a/backend/src/db/schemas/certificates.ts b/backend/src/db/schemas/certificates.ts
index 32fb89aed..533f9b898 100644
--- a/backend/src/db/schemas/certificates.ts
+++ b/backend/src/db/schemas/certificates.ts
@@ -11,7 +11,7 @@ export const CertificatesSchema = z.object({
   id: z.string().uuid(),
   createdAt: z.date(),
   updatedAt: z.date(),
-  caId: z.string().uuid().nullable().optional(),
+  caId: z.string().uuid(),
   status: z.string(),
   serialNumber: z.string(),
   friendlyName: z.string(),
@@ -21,11 +21,10 @@ export const CertificatesSchema = z.object({
   revokedAt: z.date().nullable().optional(),
   revocationReason: z.number().nullable().optional(),
   altNames: z.string().nullable().optional(),
-  caCertId: z.string().uuid().nullable().optional(),
+  caCertId: z.string().uuid(),
   certificateTemplateId: z.string().uuid().nullable().optional(),
   keyUsages: z.string().array().nullable().optional(),
-  extendedKeyUsages: z.string().array().nullable().optional(),
-  projectId: z.string()
+  extendedKeyUsages: z.string().array().nullable().optional()
 });
 
 export type TCertificates = z.infer<typeof CertificatesSchema>;