diff --git a/security/manager/ssl/StaticHPKPins.h b/security/manager/ssl/StaticHPKPins.h
index 83043f318969..0f842d86fd15 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(1501599285555000);
+static const PRTime kPreloadPKPinsExpirationTime = INT64_C(1501685964558000);