diff --git a/README.md b/README.md
index e35f94b..68f54c9 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DJAVA_PROJECT_ROOT_DIR=${PATH_TO
 Build and install.
 
 ```
-cmake --build build
+cmake --build build -j$(nproc)
 cmake --install build
 ```