diff --git a/apps/passport-server/src/services/generic-issuance/subservices/CredentialSubservice.ts b/apps/passport-server/src/services/generic-issuance/subservices/CredentialSubservice.ts
index eeb14aafd2..d5b9fd1625 100644
--- a/apps/passport-server/src/services/generic-issuance/subservices/CredentialSubservice.ts
+++ b/apps/passport-server/src/services/generic-issuance/subservices/CredentialSubservice.ts
@@ -24,7 +24,7 @@ export class CredentialSubservice {
   private dbPool: Pool | undefined;
 
   public constructor(zupassPublicKey: EdDSAPublicKey, dbPool?: Pool) {
-    this.verificationCache = new LRUCache({ max: 1000 });
+    this.verificationCache = new LRUCache({ max: 20000 });
     this.zupassPublicKey = zupassPublicKey;
     this.dbPool = dbPool;
   }
diff --git a/apps/passport-server/src/services/issuanceService.ts b/apps/passport-server/src/services/issuanceService.ts
index c797e1867f..7e6d7fbf80 100644
--- a/apps/passport-server/src/services/issuanceService.ts
+++ b/apps/passport-server/src/services/issuanceService.ts
@@ -115,7 +115,7 @@ export class IssuanceService {
       string,
       Promise<VerifiedCredential>
     >({
-      max: 1000
+      max: 20000
     });
 
     this.feedHost = new FeedHost(