diff --git a/service/src/main/java/org/whispersystems/textsecuregcm/entities/GroupCredentials.java b/service/src/main/java/org/whispersystems/textsecuregcm/entities/GroupCredentials.java
index fee963061..1348c18f6 100644
--- a/service/src/main/java/org/whispersystems/textsecuregcm/entities/GroupCredentials.java
+++ b/service/src/main/java/org/whispersystems/textsecuregcm/entities/GroupCredentials.java
@@ -11,6 +11,6 @@ import javax.annotation.Nullable;
 
 public record GroupCredentials(List<GroupCredential> credentials, @Nullable UUID pni) {
 
-  public record GroupCredential(byte[] credential, int redemptionTime) {
+  public record GroupCredential(byte[] credential, long redemptionTime) {
   }
 }