diff --git a/demos/moveit_pick_place/Dockerfile b/demos/moveit_pick_place/Dockerfile
index b88e6ab..d6c41aa 100644
--- a/demos/moveit_pick_place/Dockerfile
+++ b/demos/moveit_pick_place/Dockerfile
@@ -76,7 +76,7 @@ RUN bash -c "source /opt/ros/jazzy/setup.bash && \
     rosdep update && \
     rosdep install --from-paths src --ignore-src -r -y || true" && \
     bash -c "source /opt/ros/jazzy/setup.bash && \
-    colcon build --symlink-install --cmake-args -DBUILD_TESTING=OFF"
+    MAKEFLAGS='-j 2' colcon build --executor sequential --symlink-install --cmake-args -DBUILD_TESTING=OFF"
 
 # Setup environment
 RUN echo "source /opt/ros/jazzy/setup.bash" >> ~/.bashrc && \
diff --git a/demos/multi_ecu_aggregation/Dockerfile b/demos/multi_ecu_aggregation/Dockerfile
index 0d39be7..e0d8fa9 100644
--- a/demos/multi_ecu_aggregation/Dockerfile
+++ b/demos/multi_ecu_aggregation/Dockerfile
@@ -57,7 +57,7 @@ RUN bash -c "source /opt/ros/jazzy/setup.bash && \
     rosdep update && \
     rosdep install --from-paths src --ignore-src -r -y \
       --skip-keys='ament_cmake_clang_format ament_cmake_clang_tidy test_msgs example_interfaces sqlite3' && \
-    colcon build --symlink-install --cmake-args -DBUILD_TESTING=OFF"
+    MAKEFLAGS='-j 2' colcon build --executor sequential --symlink-install --cmake-args -DBUILD_TESTING=OFF"
 
 # Setup environment
 RUN echo "source /opt/ros/jazzy/setup.bash" >> ~/.bashrc && \
diff --git a/demos/sensor_diagnostics/Dockerfile b/demos/sensor_diagnostics/Dockerfile
index 1e432ff..f6037ce 100644
--- a/demos/sensor_diagnostics/Dockerfile
+++ b/demos/sensor_diagnostics/Dockerfile
@@ -58,7 +58,7 @@ RUN bash -c "source /opt/ros/jazzy/setup.bash && \
     rosdep update && \
     rosdep install --from-paths src --ignore-src -r -y \
       --skip-keys='ament_cmake_clang_format ament_cmake_clang_tidy test_msgs example_interfaces sqlite3' && \
-    colcon build --symlink-install --cmake-args -DBUILD_TESTING=OFF"
+    MAKEFLAGS='-j 2' colcon build --executor sequential --symlink-install --cmake-args -DBUILD_TESTING=OFF"
 
 # Setup environment
 RUN echo "source /opt/ros/jazzy/setup.bash" >> ~/.bashrc && \
diff --git a/demos/turtlebot3_integration/Dockerfile b/demos/turtlebot3_integration/Dockerfile
index b1ce696..bc85bc1 100644
--- a/demos/turtlebot3_integration/Dockerfile
+++ b/demos/turtlebot3_integration/Dockerfile
@@ -78,7 +78,7 @@ WORKDIR ${COLCON_WS}
 RUN bash -c "source /opt/ros/jazzy/setup.bash && \
     rosdep update && \
     rosdep install --from-paths src --ignore-src -r -y && \
-    colcon build --symlink-install --cmake-args -DBUILD_TESTING=OFF"
+    MAKEFLAGS='-j 2' colcon build --executor sequential --symlink-install --cmake-args -DBUILD_TESTING=OFF"
 
 # Setup environment
 RUN echo "source /opt/ros/jazzy/setup.bash" >> ~/.bashrc && \