diff --git a/PKGBUILD b/PKGBUILD
index dc9555c..5b13f59 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -21,7 +21,7 @@ build() {
   cmake -S "$srcdir/shinoa" -B "$srcdir/build" \
     -DCMAKE_BUILD_TYPE=None \
     -DCMAKE_INSTALL_PREFIX=/usr
-  cmake --build "$srcdir/build"
+  cmake --build "$srcdir/build" -j"$(nproc)"
 }
 
 package() {