diff --git a/SPECS/webkit2gtk3.spec b/SPECS/webkit2gtk3.spec
index 41a346b..ba1ffab 100644
--- a/SPECS/webkit2gtk3.spec
+++ b/SPECS/webkit2gtk3.spec
@@ -1,3 +1,5 @@
+%define _smp_mflags -j4
+
 ## NOTE: Lots of files in various subdirectories have the same name (such as
 ## "LICENSE") so this short macro allows us to distinguish them by using their
 ## directory names (from the source tree) as prefixes for the files.