diff --git a/packages/types/package.json b/packages/types/package.json
index 96bd7ec..f40e8fe 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@open-archiver/types",
-	"version": "0.1.2",
+	"version": "0.1.4",
 	"license": "MIT License",
 	"main": "dist/index.js",
 	"types": "dist/index.d.ts",
diff --git a/packages/types/src/license.types.ts b/packages/types/src/license.types.ts
index aa192e8..ee850a0 100644
--- a/packages/types/src/license.types.ts
+++ b/packages/types/src/license.types.ts
@@ -43,10 +43,13 @@ export interface LicensePingRequest {
  */
 export interface LicensePingResponse {
 	status: 'VALID' | 'INVALID';
+	// ISO 8601 UTC timestamp.
+	expirationDate: string;
 	/** ISO 8601 UTC timestamp. Present only when status is "VALID" and activeSeats > planSeats. */
 	gracePeriodEnds?: string;
 	/** The current plan seat limit from the license server. */
 	planSeats?: number;
+	message?: string;
 }
 
 /**