diff --git a/demo/Dockerfile b/demo/Dockerfile
index 2ff5378e..a3e949cc 100644
--- a/demo/Dockerfile
+++ b/demo/Dockerfile
@@ -34,7 +34,7 @@ COPY --chown=blinky:blinky CMakeLists.txt /home/blinky/demo/CMakeLists.txt
 WORKDIR /home/blinky/demo/build
 
 RUN cmake -DCMAKE_BUILD_TYPE=Release .. && \
-    cmake --build .
+    cmake --build . -j8
 
 CMD [ "/home/blinky/demo/build/arbitration_graphs_pacman_demo_exe" ]