diff --git a/.github/workflows/publish-spm.yaml b/.github/workflows/publish-spm.yaml
new file mode 100644
index 0000000..f135871
--- /dev/null
+++ b/.github/workflows/publish-spm.yaml
@@ -0,0 +1,117 @@
+name: Build, tag and create release
+on:
+  workflow_dispatch:
+    inputs:
+      branch:
+        description: 'Release branch, eg. release/0.MINOR'
+        required: true
+        type: string
+      version:
+        description: 'New release version, eg. 0.MINOR.PATCH'
+        required: true
+        type: string
+
+jobs:
+  build-publish:
+    name: Build, tag and create release
+    runs-on: macos-12
+    steps:
+      - name: Checkout release branch
+        uses: actions/checkout@v2
+        with:
+          ref: ${{ inputs.branch }}
+          submodules: true
+
+      - name: Cache
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            ./bdk-ffi/target
+          key: ${{ runner.os }}-${{ hashFiles('**/Cargo.toml','**/Cargo.lock') }}
+
+      - name: Install Rust targets
+        run: |
+          rustup install nightly-x86_64-apple-darwin
+          rustup component add rust-src --toolchain nightly-x86_64-apple-darwin
+          rustup target add aarch64-apple-ios x86_64-apple-ios
+          rustup target add aarch64-apple-ios-sim --toolchain nightly
+          rustup target add aarch64-apple-darwin x86_64-apple-darwin
+
+      - name: Run bdk-ffi-bindgen
+        working-directory: bdk-ffi
+        run: |
+          cargo run --package bdk-ffi-bindgen -- --language swift --out-dir ../Sources/BitcoinDevKit
+
+      - name: Build bdk-ffi for x86_64-apple-darwin
+        working-directory: bdk-ffi
+        run: |
+          cargo build --release --target x86_64-apple-darwin
+
+      - name: Build bdk-ffi for aarch64-apple-darwin
+        working-directory: bdk-ffi
+        run: |
+          cargo build --release --target aarch64-apple-darwin
+
+      - name: Build bdk-ffi for x86_64-apple-ios
+        working-directory: bdk-ffi
+        run: |
+          cargo build --release --target x86_64-apple-ios
+
+      - name: Build bdk-ffi for aarch64-apple-ios
+        working-directory: bdk-ffi
+        run: |
+          cargo build --release --target aarch64-apple-ios
+
+      - name: Build bdk-ffi for aarch64-apple-ios-sim
+        working-directory: bdk-ffi
+        run: |
+          cargo +nightly build --release -Z build-std --target aarch64-apple-ios-sim
+
+      - name: Create lipo-ios-sim and lipo-macos
+        working-directory: bdk-ffi
+        run: |
+          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
+          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
+
+      - name: Create bdkFFI.xcframework
+        run: |
+          mv Sources/BitcoinDevKit/bdk.swift Sources/BitcoinDevKit/BitcoinDevKit.swift
+          cp Sources/BitcoinDevKit/bdkFFI.h bdkFFI.xcframework/ios-arm64/bdkFFI.framework/Headers
+          cp Sources/BitcoinDevKit/bdkFFI.h bdkFFI.xcframework/ios-arm64_x86_64-simulator/bdkFFI.framework/Headers
+          cp Sources/BitcoinDevKit/bdkFFI.h bdkFFI.xcframework/macos-arm64_x86_64/bdkFFI.framework/Headers
+          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
+          rm Sources/BitcoinDevKit/bdkFFI.h
+          rm Sources/BitcoinDevkit/bdkFFI.modulemap
+          rm bdkFFI.xcframework.zip || true
+          zip -9 -r bdkFFI.xcframework.zip bdkFFI.xcframework
+          echo "BDKFFICHECKSUM=`swift package compute-checksum bdkFFI.xcframework.zip`" >> $GITHUB_ENV
+          echo "BDKFFIURL=https\:\/\/github\.com\/${{ github.repository_owner }}\/bdk\-swift\/releases\/download\/${{ inputs.version }}\/bdkFFI\.xcframework\.zip" >> $GITHUB_ENV
+
+      - name: Update, commit, and push new Package.swift
+        run: |
+          echo checksum = ${{ env.BDKFFICHECKSUM }}
+          echo url = ${{ env.BDKFFIURL }}
+          sed "s/BDKFFICHECKSUM/${BDKFFICHECKSUM}/;s/BDKFFIURL/${BDKFFIURL}/" Package.swift.txt > Package.swift
+          git add Package.swift
+          git commit -m "Update Package.swift for release ${{ inputs.version }}"
+          git push
+
+      - name: Tag new release
+        run: |
+          git tag ${{ inputs.version }} -m "Release ${{ inputs.version }}"
+          git push --tags
+
+      - name: Publish release
+        uses: ncipollo/release-action@v1
+        with:
+          artifacts: "bdkFFI.xcframework.zip"
+          tag: ${{ inputs.version }}
+          token: ${{ secrets.GITHUB_TOKEN }}
+          name: Release ${{ inputs.version }}
+          prerelease: true
diff --git a/Package.swift.txt b/Package.swift.txt
new file mode 100644
index 0000000..ec401f2
--- /dev/null
+++ b/Package.swift.txt
@@ -0,0 +1,36 @@
+// swift-tools-version:5.5
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "bdk-swift",
+    platforms: [
+        .macOS(.v12),
+        .iOS(.v15)
+    ],
+    products: [
+        // Products define the executables and libraries a package produces, and make them visible to other packages.
+        .library(
+            name: "BitcoinDevKit",
+            targets: ["bdkFFI", "BitcoinDevKit"]),
+    ],
+    dependencies: [
+        // Dependencies declare other packages that this package depends on.
+        // .package(url: /* package url */, from: "1.0.0"),
+    ],
+    targets: [
+        // Targets are the basic building blocks of a package. A target can define a module or a test suite.
+        // Targets can depend on other targets in this package, and on products in packages this package depends on.
+        .binaryTarget(
+            name: "bdkFFI",
+            url: "BDKFFIURL",
+            checksum: "BDKFFICHECKSUM"),
+        .target(
+            name: "BitcoinDevKit",
+            dependencies: ["bdkFFI"]),
+        .testTarget(
+            name: "BitcoinDevKitTests",
+            dependencies: ["BitcoinDevKit"]),
+    ]
+)
diff --git a/build.sh b/build.sh
deleted file mode 100755
index f18881d..0000000
--- a/build.sh
+++ /dev/null
@@ -1,76 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-
-## confirm bdk-ffi rust lib builds
-pushd bdk-ffi
-echo "Confirm bdk-ffi rust lib builds"
-cargo build --release
-
-echo "Generate bdk-ffi swift bindings"
-cargo run --package bdk-ffi-bindgen -- --language swift --out-dir ../Sources/BitcoinDevKit
-
-## 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 "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
-
-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
-
-# TODO add license info
-
-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
-
-# compute bdkFFI.xcframework.zip checksum
-echo checksum:
-swift package compute-checksum bdkFFI.xcframework.zip
-
-# TODO update Package.swift with checksum
-# TODO upload zip to github release