diff --git a/security/manager/ssl/StaticHPKPins.h b/security/manager/ssl/StaticHPKPins.h
index 26bcbe0861fd..a2307a2fab93 100644
--- a/security/manager/ssl/StaticHPKPins.h
+++ b/security/manager/ssl/StaticHPKPins.h
@@ -1155,4 +1155,4 @@ static const TransportSecurityPreload kPublicKeyPinningPreloadList[] = {
 
 static const int32_t kUnknownId = -1;
 
-static const PRTime kPreloadPKPinsExpirationTime = INT64_C(1494602065281000);
+static const PRTime kPreloadPKPinsExpirationTime = INT64_C(1494688949505000);