diff --git a/.github/workflows/bundle.yml b/.github/workflows/bundle.yml
new file mode 100644
index 00000000..cd6e0acb
--- /dev/null
+++ b/.github/workflows/bundle.yml
@@ -0,0 +1,39 @@
+# bundle.yml
+# Reusable workflow that builds the MacOS app bundle.
+---
+name: bundle
+
+on:
+  workflow_call:
+    inputs:
+      version:
+        type: string
+        description: 'Version number'
+        required: true
+
+env:
+  FILE_NAME: "Libation.${{ inputs.version }}-macos-chardonnay"
+  
+jobs:
+  build_bundle:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      
+      - name: Download Artifact
+        uses: actions/download-artifact@v3
+        with:
+          name: "${{ env.FILE_NAME }}.tar.gz"
+
+      - name: Build .app bundle
+        id: bundle
+        run: |
+          chmod +rwx ./Scripts/targz2bundle.sh
+          ./Scripts/targz2bundle.sh "${{ env.FILE_NAME }}.tar.gz" ${{ inputs.version }}
+      
+      - name: Publish .app bundle
+        uses: actions/upload-artifact@v3
+        with:
+          name: "Libation.app-${{ inputs.version }}.tar.gz"
+          path: "Libation.app-${{ inputs.version }}.tar.gz"
+          if-no-files-found: error
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 29888cd9..0e164a97 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -39,9 +39,15 @@ jobs:
     uses: ./.github/workflows/deb.yml
     with:
       version: ${{ needs.prerelease.outputs.version }}
+
+  bundle:
+    needs: [prerelease,build]
+    uses: ./.github/workflows/bundle.yml
+    with:
+      version: ${{ needs.prerelease.outputs.version }}
       
   release:
-    needs: [prerelease,build,deb]
+    needs: [prerelease,build,deb,bundle]
     runs-on: ubuntu-latest
     steps:
       - name: Download artifacts
diff --git a/Scripts/targz2bundle.sh b/Scripts/targz2bundle.sh
new file mode 100644
index 00000000..4d59cc9a
--- /dev/null
+++ b/Scripts/targz2bundle.sh
@@ -0,0 +1,81 @@
+#!/bin/bash
+
+FILE=$1; shift
+VERSION=$1; shift
+
+if [ -z "$FILE" ]
+then
+  echo "This script must be called with a the Libation macos bin zip file as an argument."
+  exit
+fi
+
+if [ ! -f "$FILE" ]
+then
+  echo "The file \"$FILE\" does not exist."
+  exit
+fi
+
+if [ -z "$VERSION" ]
+then
+  echo "This script must be called with the Libation version number as an argument."
+  exit
+fi
+
+contains() { case "$1" in *"$2"*) true ;; *) false ;; esac }
+
+if ! contains "$FILE" "$VERSION"
+then
+  echo "This script must be called with a Libation version number that is present in the filename passed."
+  exit
+fi
+
+# remove trailing ".tar.gz"
+BUNDLE="Libation.app"
+echo "Bundle dir: $BUNDLE"
+
+if [[ -d "$BUNDLE" ]]
+then
+  echo "$BUNDLE directory already exists, aborting."
+  exit
+fi
+
+BUNDLE_CONTENTS="$BUNDLE/Contents"
+echo "Bundle Contents dir: $BUNDLE_CONTENTS"
+
+BUNDLE_RESOURCES="$BUNDLE_CONTENTS/Resources"
+echo "Resources dir: $BUNDLE_RESOURCES"
+
+BUNDLE_MACOS="$BUNDLE_CONTENTS/MacOS"
+echo "MacOS dir: $BUNDLE_MACOS"
+
+mkdir -p "$BUNDLE_CONTENTS"
+mkdir -p "$BUNDLE_RESOURCES"
+mkdir -p "$BUNDLE_MACOS"
+
+echo "Extracting $FILE to $BUNDLE_MACOS..."
+tar -xzf ${FILE} -C ${BUNDLE_MACOS}
+
+if [ $? -ne 0 ]
+ then echo "Error extracting ${FILE}"
+ exit
+fi
+
+echo "Copying icon..."
+cp "$BUNDLE_MACOS/libation.icns" "$BUNDLE_RESOURCES/libation.icns"
+
+echo "Copying Info.plist file..."
+cp "$BUNDLE_MACOS/Info.plist" "$BUNDLE_CONTENTS/Info.plist"
+
+echo "Set Libation version number..."
+sed -i -e "s/VERSION_STRING/$VERSION/" "$BUNDLE_CONTENTS/Info.plist"
+
+echo "deleting unneeded files.."
+delfiles=("libmp3lame.x64.so" "ffmpegaac.x64.so" "Libation.desktop" "libation.icns" "Info.plist" "glass-with-glow_256.svg")
+for n in "${delfiles[@]}"; do rm "$BUNDLE_MACOS/$n"; done
+
+echo "Creating app bundle: $BUNDLE-$VERSION.tar.gz"
+tar -czvf "$BUNDLE-$VERSION.tar.gz" "$BUNDLE"
+
+rm -r "$BUNDLE"
+
+echo "Done!"
diff --git a/Source/LibationAvalonia/Info.plist b/Source/LibationAvalonia/Info.plist
new file mode 100644
index 00000000..c88f1c80
--- /dev/null
+++ b/Source/LibationAvalonia/Info.plist
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+
+<dict>
+	<key>CFBundleExecutable</key>
+	<string>Libation</string>
+	<key>CFBundleName</key>
+	<string>Libation</string>
+	<key>CFBundleIdentifier</key>
+	<string>org.libation.macos</string>
+	<key>NSHighResolutionCapable</key>
+	<true/>
+	<key>CFBundleIconFile</key>
+	<string>libation.icns</string>
+	<key>CFBundleVersion</key>
+	<string>VERSION_STRING</string>
+	<key>com.apple.security.cs.allow-jit</key>
+	<true/>
+	<key>com.apple.security.cs.allow-unsigned-executable-memory</key>
+	<true/>
+	<key>com.apple.security.cs.disable-library-validation</key>
+	<true/>
+	<key>com.apple.security.cs.disable-executable-page-protection</key>
+	<true/>
+</dict>
+</plist>
\ No newline at end of file
diff --git a/Source/LibationAvalonia/LibationAvalonia.csproj b/Source/LibationAvalonia/LibationAvalonia.csproj
index 0d324e4b..4ac37e7a 100644
--- a/Source/LibationAvalonia/LibationAvalonia.csproj
+++ b/Source/LibationAvalonia/LibationAvalonia.csproj
@@ -121,9 +121,15 @@
 		<None Update="glass-with-glow_256.svg">
 			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
 		</None>
+		<None Update="Info.plist">
+		  <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+		</None>
 		<None Update="Libation.desktop">
 			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
 		</None>
+		<None Update="libation.icns">
+		  <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+		</None>
 		<None Update="ZipExtractor.exe">
 			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
 		</None>
diff --git a/Source/LibationAvalonia/libation.icns b/Source/LibationAvalonia/libation.icns
new file mode 100644
index 00000000..d2810d35
Binary files /dev/null and b/Source/LibationAvalonia/libation.icns differ