diff --git a/utils/build_android_libs.sh b/utils/build_android_libs.sh
index bde6a849..81a7746b 100755
--- a/utils/build_android_libs.sh
+++ b/utils/build_android_libs.sh
@@ -1,13 +1,13 @@
 set -x #echo on
 cd ..
 rm -r _builds
-cmake -S. -B_builds  -DCMAKE_SYSTEM_NAME=Android -DCMAKE_SYSTEM_VERSION=28 -DCMAKE_ANDROID_ARCH_ABI=armeabi-v7a -DCMAKE_ANDROID_NDK=/Users/roky/Library/Android/sdk/ndk/18.1.5063045 -DCMAKE_ANDROID_STL_TYPE=c++_static -DCMAKE_INSTALL_PREFIX=`pwd`/_install 
+cmake -S. -B_builds  -DCMAKE_SYSTEM_NAME=Android -DCMAKE_SYSTEM_VERSION=16 -DCMAKE_ANDROID_ARCH_ABI=armeabi-v7a -DCMAKE_ANDROID_NDK=/Users/roky/Library/Android/sdk/ndk/18.1.5063045 -DCMAKE_ANDROID_STL_TYPE=c++_static -DCMAKE_INSTALL_PREFIX=`pwd`/_install 
 if [ $? -ne 0 ]; then
     echo "Failed to perform command"
     exit 1
 fi
 
-cmake --build _builds --config Release --target install
+cmake --build _builds --config Release --target install -- -j 4
 if [ $? -ne 0 ]; then
     echo "Failed to perform command"
     exit 1
@@ -19,13 +19,13 @@ if [ $? -ne 0 ]; then
     exit 1
 fi
 
-cmake -S. -B_builds  -DCMAKE_SYSTEM_NAME=Android -DCMAKE_SYSTEM_VERSION=28 -DCMAKE_ANDROID_ARCH_ABI=x86 -DCMAKE_ANDROID_NDK=/Users/roky/Library/Android/sdk/ndk/18.1.5063045 -DCMAKE_ANDROID_STL_TYPE=c++_static -DCMAKE_INSTALL_PREFIX=`pwd`/_install 
+cmake -S. -B_builds  -DCMAKE_SYSTEM_NAME=Android -DCMAKE_SYSTEM_VERSION=16 -DCMAKE_ANDROID_ARCH_ABI=x86 -DCMAKE_ANDROID_NDK=/Users/roky/Library/Android/sdk/ndk/18.1.5063045 -DCMAKE_ANDROID_STL_TYPE=c++_static -DCMAKE_INSTALL_PREFIX=`pwd`/_install 
 if [ $? -ne 0 ]; then
     echo "Failed to perform command"
     exit 1
 fi
 
-cmake --build _builds --config Release --target install
+cmake --build _builds --config Release --target install -- -j 4
 if [ $? -ne 0 ]; then
     echo "Failed to perform command"
     exit 1
@@ -38,13 +38,13 @@ if [ $? -ne 0 ]; then
 fi
 
 
-cmake -S. -B_builds  -DCMAKE_SYSTEM_NAME=Android -DCMAKE_SYSTEM_VERSION=28 -DCMAKE_ANDROID_ARCH_ABI=arm64-v8a -DCMAKE_ANDROID_NDK=/Users/roky/Library/Android/sdk/ndk/18.1.5063045 -DCMAKE_ANDROID_STL_TYPE=c++_static -DCMAKE_INSTALL_PREFIX=`pwd`/_install 
+cmake -S. -B_builds  -DCMAKE_SYSTEM_NAME=Android -DCMAKE_SYSTEM_VERSION=16 -DCMAKE_ANDROID_ARCH_ABI=arm64-v8a -DCMAKE_ANDROID_NDK=/Users/roky/Library/Android/sdk/ndk/18.1.5063045 -DCMAKE_ANDROID_STL_TYPE=c++_static -DCMAKE_INSTALL_PREFIX=`pwd`/_install 
 if [ $? -ne 0 ]; then
     echo "Failed to perform command"
     exit 1
 fi
 
-cmake --build _builds --config Release --target install
+cmake --build _builds --config Release --target install -- -j 4
 if [ $? -ne 0 ]; then
     echo "Failed to perform command"
     exit 1
@@ -57,13 +57,13 @@ if [ $? -ne 0 ]; then
 fi
 
 
-cmake -S. -B_builds  -DCMAKE_SYSTEM_NAME=Android -DCMAKE_SYSTEM_VERSION=28 -DCMAKE_ANDROID_ARCH_ABI=x86_64 -DCMAKE_ANDROID_NDK=/Users/roky/Library/Android/sdk/ndk/18.1.5063045 -DCMAKE_ANDROID_STL_TYPE=c++_static -DCMAKE_INSTALL_PREFIX=`pwd`/_install 
+cmake -S. -B_builds  -DCMAKE_SYSTEM_NAME=Android -DCMAKE_SYSTEM_VERSION=16 -DCMAKE_ANDROID_ARCH_ABI=x86_64 -DCMAKE_ANDROID_NDK=/Users/roky/Library/Android/sdk/ndk/18.1.5063045 -DCMAKE_ANDROID_STL_TYPE=c++_static -DCMAKE_INSTALL_PREFIX=`pwd`/_install 
 if [ $? -ne 0 ]; then
     echo "Failed to perform command"
     exit 1
 fi
 
-cmake --build _builds --config Release --target install
+cmake --build _builds --config Release --target install -- -j 4
 if [ $? -ne 0 ]; then
     echo "Failed to perform command"
     exit 1