diff --git a/.gitignore b/.gitignore
index 7a7671d..cf97457 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,4 +8,5 @@ DerivedData/
 .swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
 bdkFFI.xcframework.zip
 bdkFFI
+libbdkffi.a
 bdkFFI.h
diff --git a/Package.swift b/Package.swift
index 1306bab..52cba67 100644
--- a/Package.swift
+++ b/Package.swift
@@ -24,8 +24,8 @@ let package = Package(
         // Targets can depend on other targets in this package, and on products in packages this package depends on.
         .binaryTarget(
             name: "bdkFFI",
-            url: "https://github.com/notmandatory/bdk-swift/releases/download/0.1.3/bdkFFI.xcframework.zip",
-            checksum: "c0b1e3ea09376b3f316d7d83575e1cd513fc4ad39ef8cf01120a3a1d7757fb97"),
+            url: "https://github.com/notmandatory/bdk-swift/releases/download/0.1.7/bdkFFI.xcframework.zip",
+            checksum: "dc51c5c61b78e06fba45fe7d55978726f6f6bb609c2b369f12f3f2e5c24b9ed5"),
 //        .binaryTarget(name: "bdkFFI", path: "./bdkFFI.xcframework"),
         .target(
             name: "BitcoinDevKit",
diff --git a/bdkFFI.xcframework/Info.plist b/bdkFFI.xcframework/Info.plist
index 3b0157a..cda8ded 100644
--- a/bdkFFI.xcframework/Info.plist
+++ b/bdkFFI.xcframework/Info.plist
@@ -6,27 +6,16 @@
 	<array>
 		<dict>
 			<key>LibraryIdentifier</key>
-			<string>macos-x86_64</string>
-			<key>LibraryPath</key>
-			<string>bdkFFI.framework</string>
-			<key>SupportedArchitectures</key>
-			<array>
-				<string>x86_64</string>
-			</array>
-			<key>SupportedPlatform</key>
-			<string>macos</string>
-		</dict>
-		<dict>
-			<key>LibraryIdentifier</key>
-			<string>ios-arm64</string>
+			<string>macos-arm64_x86_64</string>
 			<key>LibraryPath</key>
 			<string>bdkFFI.framework</string>
 			<key>SupportedArchitectures</key>
 			<array>
 				<string>arm64</string>
+				<string>x86_64</string>
 			</array>
 			<key>SupportedPlatform</key>
-			<string>ios</string>
+			<string>macos</string>
 		</dict>
 		<dict>
 			<key>LibraryIdentifier</key>
@@ -43,6 +32,18 @@
 			<key>SupportedPlatformVariant</key>
 			<string>simulator</string>
 		</dict>
+		<dict>
+			<key>LibraryIdentifier</key>
+			<string>ios-arm64</string>
+			<key>LibraryPath</key>
+			<string>bdkFFI.framework</string>
+			<key>SupportedArchitectures</key>
+			<array>
+				<string>arm64</string>
+			</array>
+			<key>SupportedPlatform</key>
+			<string>ios</string>
+		</dict>
 	</array>
 	<key>CFBundlePackageType</key>
 	<string>XFWK</string>
diff --git a/bdkFFI.xcframework/macos-x86_64/bdkFFI.framework/Headers/bdkFFI-umbrella.h b/bdkFFI.xcframework/macos-arm64_x86_64/bdkFFI.framework/Headers/bdkFFI-umbrella.h
similarity index 100%
rename from bdkFFI.xcframework/macos-x86_64/bdkFFI.framework/Headers/bdkFFI-umbrella.h
rename to bdkFFI.xcframework/macos-arm64_x86_64/bdkFFI.framework/Headers/bdkFFI-umbrella.h
diff --git a/bdkFFI.xcframework/macos-x86_64/bdkFFI.framework/Modules/module.modulemap b/bdkFFI.xcframework/macos-arm64_x86_64/bdkFFI.framework/Modules/module.modulemap
similarity index 100%
rename from bdkFFI.xcframework/macos-x86_64/bdkFFI.framework/Modules/module.modulemap
rename to bdkFFI.xcframework/macos-arm64_x86_64/bdkFFI.framework/Modules/module.modulemap
diff --git a/build.sh b/build.sh
index c278b29..d238346 100755
--- a/build.sh
+++ b/build.sh
@@ -6,47 +6,64 @@ pushd bdk-ffi
 echo "Confirm bdk-ffi rust lib builds"
 cargo build --release
 
-## build bdk-ffi rust libs for apple targets
-echo "Build bdk-ffi libs for apple targets"
+echo "Generate bdk-ffi swift bindings"
+uniffi-bindgen generate src/bdk.udl --no-format --out-dir ../Sources/BitcoinDevKit --language swift
 
-TARGET_TRIPLES=("x86_64-apple-darwin" "x86_64-apple-ios" "aarch64-apple-ios")
+## build bdk-ffi rust libs for apple targets and add to xcframework
+echo "Build bdk-ffi libs for apple targets and add to xcframework"
+
+TARGET_TRIPLES=("x86_64-apple-darwin" "aarch64-apple-darwin" "x86_64-apple-ios" "aarch64-apple-ios")
+#XCFRAMEWORK_LIBS=""
 for TARGET in ${TARGET_TRIPLES[@]}; do
   echo "Build bdk-ffi lib for target $TARGET"
   cargo build --release --target $TARGET
+  #XCFRAMEWORK_LIBS="$XCFRAMEWORK_LIBS -library target/$TARGET/release/libbdkffi.a"
 done
+# special build for M1 ios simulator
+cargo +nightly build --release -Z build-std --target aarch64-apple-ios-sim
 
-echo "Generate bdk-ffi swift bindings"
-uniffi-bindgen generate src/bdk.udl --no-format --out-dir ../Sources/BitcoinDevKit --language swift
+echo "Create lipo static libs for ios-sim to support M1"
+mkdir -p target/lipo-ios-sim/release
+lipo target/aarch64-apple-ios-sim/release/libbdkffi.a target/x86_64-apple-ios/release/libbdkffi.a -create -output target/lipo-ios-sim/release/libbdkffi.a
+
+echo "Create lipo static libs for macos to support M1"
+mkdir -p target/lipo-macos/release
+lipo target/aarch64-apple-darwin/release/libbdkffi.a target/x86_64-apple-darwin/release/libbdkffi.a -create -output target/lipo-macos/release/libbdkffi.a
+
+#echo "Create xcframework with xcodebuild"
+#xcodebuild -create-xcframework \
+#    -library target/lipo-ios-sim/release/libbdkffi.a \
+#    -library target/lipo-macos/release/libbdkffi.a \
+#    -library target/aarch64-apple-ios/release/libbdkffi.a \
+#    -output ../bdkFFI.xcframework
+    
 popd
 
 # rename bdk.swift bindings to BitcoinDevKit.swift
 mv Sources/BitcoinDevKit/bdk.swift Sources/BitcoinDevKit/BitcoinDevKit.swift
 
-# copy bdkFFI.h to bdkFFI.xcframework platforms
-PLATFORMS=("macos-x86_64" "ios-arm64_x86_64-simulator" "ios-arm64")
-for PLATFORM in ${PLATFORMS[@]}; do
-  cp Sources/BitcoinDevKit/bdkFFI.h bdkFFI.xcframework/$PLATFORM/bdkFFI.framework/Headers
+XCFRAMEWORK_LIBS=("ios-arm64" "ios-arm64_x86_64-simulator" "macos-arm64_x86_64")
+for LIB in ${XCFRAMEWORK_LIBS[@]}; do
+    # copy possibly updated header file
+    cp Sources/BitcoinDevKit/bdkFFI.h bdkFFI.xcframework/$LIB/bdkFFI.framework/Headers
 done
 
+echo "Copy libbdkffi.a files to bdkFFI.xcframework/bdkFFI"
+cp bdk-ffi/target/aarch64-apple-ios/release/libbdkffi.a bdkFFI.xcframework/ios-arm64/bdkFFI.framework/bdkFFI
+cp bdk-ffi/target/lipo-ios-sim/release/libbdkffi.a bdkFFI.xcframework/ios-arm64_x86_64-simulator/bdkFFI.framework/bdkFFI
+cp bdk-ffi/target/lipo-macos/release/libbdkffi.a bdkFFI.xcframework/macos-arm64_x86_64/bdkFFI.framework/bdkFFI
+
 # remove unneed .h and .modulemap files
 rm Sources/BitcoinDevKit/bdkFFI.h
 rm Sources/BitcoinDevkit/bdkFFI.modulemap
 
-# add bdkFFI libs to bdkFFI.xcframework
-
-# macos-x86_64 platform
-cp bdk-ffi/target/x86_64-apple-darwin/release/libbdkffi.a bdkFFI.xcframework/macos-x86_64/bdkFFI.framework/bdkFFI
-
-# ios-arm64 platform
-cp bdk-ffi/target/aarch64-apple-ios/release/libbdkffi.a bdkFFI.xcframework/ios-arm64/bdkFFI.framework/bdkFFI
-
-# ios-arm64_x86_64-simulator, currently x86_64 only (need to make fat binary to add M1)
-cp bdk-ffi/target/x86_64-apple-ios/release/libbdkffi.a bdkFFI.xcframework/ios-arm64_x86_64-simulator/bdkFFI.framework/bdkFFI
-
 # TODO add license info
 
-# remove any existing bdkFFI.xcframework.zip
-rm bdkFFI.xcframework.zip
+if test -f "bdkFFI.xcframework.zip"; then
+    echo "Remove old bdkFFI.xcframework.zip"
+    rm bdkFFI.xcframework.zip
+fi
+
 
 # zip bdkFFI.xcframework directory into a bundle for distribution
 zip -9 -r bdkFFI.xcframework.zip bdkFFI.xcframework