diff --git a/build.sh b/build.sh
index 47f52d1..3f22d80 100755
--- a/build.sh
+++ b/build.sh
@@ -6,18 +6,24 @@ platform=$(uname)
 
 echo Current platform: $platform
 
-mkdir -p out/x86_64
-mkdir -p out/aarch64
-mkdir -p out/i686
-
 if [[ $platform == 'Linux' ]]; then
+  mkdir -p out/x86_64
+  mkdir -p out/i686
+
   cargo build --release --target x86_64-unknown-linux-gnu
 
   cp target/x86_64-unknown-linux-gnu/release/libskyhook.so out/x86_64
 elif [[ $platform == 'Darwin' ]]; then
-  cargo build --release --target x86_64-apple-darwin
-  cargo build --release --target aarch64-apple-darwin
+  TARGET_X86=x86_64-apple-darwin
+  TARGET_ARM=aarch64-apple-darwin
 
-  cp target/x86_64-apple-darwin/release/libskyhook.dylib out/x86_64
-  cp target/aarch64-apple-darwin/release/libskyhook.dylib out/aarch64
+  cargo build --release --target $TARGET_X86
+  cargo build --release --target $TARGET_ARM
+
+  lipo -create -output out/skyhook.bundle \
+    target/${TARGET_X86}/release/libskyhook.dylib \
+    target/${TARGET_ARM}/release/libskyhook.dylib
+
+  # cp target/x86_64-apple-darwin/release/libskyhook.dylib out/x86_64
+  # cp target/aarch64-apple-darwin/release/libskyhook.dylib out/aarch64
 fi