diff --git a/scripts/build_libsurvive.sh b/scripts/build_libsurvive.sh
index 7cf9c4f..f800d8e 100755
--- a/scripts/build_libsurvive.sh
+++ b/scripts/build_libsurvive.sh
@@ -31,6 +31,6 @@ cmake -DCMAKE_BUILD_TYPE=Release \
     -Wno-dev \
     -DCMAKE_INSTALL_PREFIX="${PREFIX}" \
     -DCMAKE_INSTALL_LIBDIR="${PREFIX}/lib" \
-    ..
-make -j$(nproc)
-make install
+    .. -G Ninja
+cmake --build .
+cmake --install .
diff --git a/scripts/build_monado.sh b/scripts/build_monado.sh
index ff9e88f..5a635ab 100755
--- a/scripts/build_monado.sh
+++ b/scripts/build_monado.sh
@@ -34,6 +34,6 @@ cmake -DCMAKE_BUILD_TYPE=Release \
     -DCMAKE_INSTALL_PREFIX="${PREFIX}" \
     -DCMAKE_C_FLAGS="-Wl,-rpath ${PREFIX}/lib" \
     -DCMAKE_CXX_FLAGS="-Wl,-rpath ${PREFIX}/lib" \
-    ..
-make -j$(nproc)
-make install
+    .. -G Ninja
+cmake --build .
+cmake --install .
diff --git a/scripts/build_opencomposite.sh b/scripts/build_opencomposite.sh
index 7833cfa..d071d09 100755
--- a/scripts/build_opencomposite.sh
+++ b/scripts/build_opencomposite.sh
@@ -25,6 +25,5 @@ cd "$REPO_DIR"
 rm -rf build
 mkdir -p build
 cd build
-cmake -DCMAKE_BUILD_TYPE=Release ..
-make clean
-make -j$(nproc)
+cmake -DCMAKE_BUILD_TYPE=Release .. -G Ninja
+cmake --build .