diff --git a/package/package.json b/package/package.json
index 65cc891c..8b5a0fb9 100644
--- a/package/package.json
+++ b/package/package.json
@@ -40,7 +40,9 @@
     "build-filament:debug": "yarn build-filament debug",
     "build-bullet3": "scripts/build-bullet3.sh",
     "release": "yarn build-filament:release && yarn build-bullet3 && release-it && npm publish",
-    "codegen": "react-native codegen"
+    "codegen": "react-native codegen",
+    "prepack": "cp ../README.md ./README.md",
+    "postpack": "rm ./README.md"
   },
   "keywords": [
     "react-native",
diff --git a/package/scripts/build-bullet3.sh b/package/scripts/build-bullet3.sh
index 677ee142..f2c025a2 100755
--- a/package/scripts/build-bullet3.sh
+++ b/package/scripts/build-bullet3.sh
@@ -2,6 +2,34 @@
 
 set -e
 
+if [ -d "../package/android/libs/bullet3" ]; then
+  echo "[bullet3] Android libraries already exist in react-native-filament package. Do you want to skip building them? (Y/N) (y)"
+  read -r skip_android
+  if [ "$skip_android" = "N" ] || [ "$skip_android" = "n" ]; then
+    skip_android=false
+  else
+    echo "Skipping Android build..."
+    skip_android=true
+  fi
+fi
+
+if [ -d "../package/ios/libs/bullet3" ]; then
+  echo "[bullet3] iOS libraries already exist in react-native-filament package. Do you want to skip building them? (Y/N) (y)"
+  read -r skip_ios
+  if [ "$skip_ios" = "N" ] || [ "$skip_ios" = "n" ]; then
+    skip_ios=false
+  else
+    echo "Skipping iOS build..."
+    skip_ios=true
+  fi
+fi
+
+if [ "$skip_ios" = true ] && [ "$skip_android" = true ]; then
+  echo "[bullet3] Both iOS and Android libraries already exist. Nothing to do."
+  exit 0
+fi
+
+
 PACKAGE_DIR=$(pwd)
 
 #############
diff --git a/package/scripts/build-filament.sh b/package/scripts/build-filament.sh
index 5e8998e5..8a3cfef9 100755
--- a/package/scripts/build-filament.sh
+++ b/package/scripts/build-filament.sh
@@ -2,6 +2,42 @@
 
 set -e
 
+target="$1"
+if [ -z "$target" ]; then
+  # Exit and print error message
+    echo "Missing build type (debug|release)"
+    echo "Usage: $0 <buildType>"
+    exit 1
+fi
+
+# Check if the library exists for ios, if so, ask to skip with Y/N question
+if [ -d "../package/ios/libs/filament" ]; then
+  echo "[Filament] iOS libraries already exist in react-native-filament package. Do you want to skip building them? (Y/N) (y)"
+  read -r skip_ios
+  if [ "$skip_ios" = "N" ] || [ "$skip_ios" = "n" ]; then
+    skip_ios=false
+  else
+    echo "Skipping iOS build..."
+    skip_ios=true
+  fi
+fi
+# Same for android:
+if [ -d "../package/android/libs/filament" ]; then
+  echo "[Filament] Android libraries already exist in react-native-filament package. Do you want to skip building them? (Y/N) (y)"
+  read -r skip_android
+  if [ "$skip_android" = "N" ] || [ "$skip_android" = "n" ]; then
+    skip_android=false
+  else
+    echo "Skipping Android build..."
+    skip_android=true
+  fi
+fi
+
+if [ "$skip_ios" = true ] && [ "$skip_android" = true ]; then
+  echo "Both iOS and Android libraries already exist. Nothing to do."
+  exit 0
+fi
+
 echo "Did you set up your development tools properly?"
 echo "Did you set up your development tools properly?"
 echo "Did you set up your development tools properly?"
@@ -15,40 +51,36 @@ cd ..
 cd ..
 cd filament
 
-target="$1"
-if [ -z "$target" ]; then
-  # Exit and print error message
-    echo "Missing build type (debug|release)"
-    echo "Usage: $0 <buildType>"
-    exit 1
+if [ "$skip_ios" = false ]; then
+  # On iOS, we already use Filament from CocoaPods.
+  echo "Building Filament for iOS ($target)..."
+  # -s = iOS simulator support
+  # -l = Build fat universal library (x86_64 + arm64), needed to easily include library from podspec
+  ./build.sh -s -l -p ios -i "$target"
+
+  echo "Copying Filament iOS libraries to react-native-filament..."
+  rm -rf ../package/ios/libs/filament
+  mkdir -p ../package/ios/libs/filament
+  cp -rf out/ios-$target/filament ../package/ios/libs
+  # Rename math.h file to avoid conflicts with <math.h> system header (the header doesn't seem to be used anywhere).
+  mv ../package/ios/libs/filament/include/gltfio/math.h ../package/ios/libs/filament/include/gltfio/gltfio-math.h
 fi
 
-# On iOS, we already use Filament from CocoaPods.
-echo "Building Filament for iOS ($target)..."
-# -s = iOS simulator support
-# -l = Build fat universal library (x86_64 + arm64), needed to easily include library from podspec
-./build.sh -s -l -p ios -i "$target"
-
-echo "Copying Filament iOS libraries to react-native-filament..."
-rm -rf ../package/ios/libs/filament
-mkdir -p ../package/ios/libs/filament
-cp -rf out/ios-$target/filament ../package/ios/libs
-# Rename math.h file to avoid conflicts with <math.h> system header (the header doesn't seem to be used anywhere).
-mv ../package/ios/libs/filament/include/gltfio/math.h ../package/ios/libs/filament/include/gltfio/gltfio-math.h
-
-# TODO(Marc): Use Filament from the Maven/Gradle library, to avoid shipping this huge dependency over npm.
-echo "Building Filament for Android ($target)"
-# -v = Exclude Vulkan support
-./build.sh -p android "$target"
-
-# echo "Building Android .aar ($target)..."
-# cd android
-# ./gradlew -Pcom.google.android.filament.dist-dir=../out/android-release/filament assembleRelease
-# cd ..
-
-echo "Copying Filament Android libraries to react-native-filament..."
-rm -rf ../package/android/libs/filament
-mkdir -p ../package/android/libs/filament
-cp -rf out/android-$target/filament ../package/android/libs
+if [ "$skip_android" = false ]; then
+  # TODO(Marc): Use Filament from the Maven/Gradle library, to avoid shipping this huge dependency over npm.
+  echo "Building Filament for Android ($target)"
+  # -v = Exclude Vulkan support
+  ./build.sh -p android "$target"
+
+  # echo "Building Android .aar ($target)..."
+  # cd android
+  # ./gradlew -Pcom.google.android.filament.dist-dir=../out/android-release/filament assembleRelease
+  # cd ..
+
+  echo "Copying Filament Android libraries to react-native-filament..."
+  rm -rf ../package/android/libs/filament
+  mkdir -p ../package/android/libs/filament
+  cp -rf out/android-$target/filament ../package/android/libs
+fi
 
 echo "Done!"