diff --git a/security/manager/ssl/StaticHPKPins.h b/security/manager/ssl/StaticHPKPins.h
index 42880c5dd33e..3196718e0417 100644
--- a/security/manager/ssl/StaticHPKPins.h
+++ b/security/manager/ssl/StaticHPKPins.h
@@ -1158,4 +1158,4 @@ static const TransportSecurityPreload kPublicKeyPinningPreloadList[] = {
 
 static const int32_t kUnknownId = -1;
 
-static const PRTime kPreloadPKPinsExpirationTime = INT64_C(1501858190044000);
+static const PRTime kPreloadPKPinsExpirationTime = INT64_C(1501944717714000);