diff --git a/hw/xquartz/bundle/Info.plist.cpp b/hw/xquartz/bundle/Info.plist.cpp
index 6314c7181..00da2a850 100644
--- a/hw/xquartz/bundle/Info.plist.cpp
+++ b/hw/xquartz/bundle/Info.plist.cpp
@@ -31,8 +31,8 @@
 #ifdef XQUARTZ_SPARKLE
 	<key>SUEnableAutomaticChecks</key>
 		<true/>
-	<key>SUPublicDSAKeyFile</key>
-		<string>sparkle.pem</string>
+	<key>SUPublicEDKey</key>
+		<string>XQUARTZ_SPARKLE_PUBLIC_EDKEY</string>
         <key>SUFeedURL</key>
                 <string>XQUARTZ_SPARKLE_FEED_URL</string>
 #endif
diff --git a/hw/xquartz/bundle/meson.build b/hw/xquartz/bundle/meson.build
index 28f171c70..20afb96ea 100644
--- a/hw/xquartz/bundle/meson.build
+++ b/hw/xquartz/bundle/meson.build
@@ -13,6 +13,7 @@ if build_sparkle
 cpp_defs += [
     '-DXQUARTZ_SPARKLE',
     '-DXQUARTZ_SPARKLE_FEED_URL=@0@'.format(xquartz_sparkle_feed_url),
+    '-DXQUARTZ_SPARKLE_PUBLIC_EDKEY=@0@'.format(xquartz_sparkle_public_edkey),
 ]
 endif
 
diff --git a/hw/xquartz/meson.build b/hw/xquartz/meson.build
index deae2b3c9..eb38c1fb5 100644
--- a/hw/xquartz/meson.build
+++ b/hw/xquartz/meson.build
@@ -4,6 +4,7 @@ apple_applications_dir = get_option('apple-applications-dir')
 apple_application_name = get_option('apple-application-name')
 bundle_id_prefix = get_option('bundle-id-prefix')
 xquartz_sparkle_feed_url = get_option('sparkle-feed-url')
+xquartz_sparkle_public_edkey = get_option('sparkle-public-edkey')
 
 bundle_version_string = meson.project_version() # CFBundleShortVersionString
 bundle_version = release                        # CFBundleVersion
@@ -13,7 +14,7 @@ bundle_id_def = '-DBUNDLE_ID_PREFIX="@0@"'.format(bundle_id_prefix)
 bundle_root = join_paths(apple_applications_dir, apple_application_name + '.app')
 
 # using sparkle update framework?
-build_sparkle = xquartz_sparkle_feed_url != ''
+build_sparkle = xquartz_sparkle_feed_url != '' and xquartz_sparkle_public_edkey != ''
 if build_sparkle
     sparkle = dependency('Sparkle', method: 'extraframework')
 endif
diff --git a/meson_options.txt b/meson_options.txt
index b7719e092..b334c5023 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -122,6 +122,8 @@ option('bundle-id-prefix', type: 'string', value: 'org.x',
         description: 'RDNS prefix for bundle identifier')
 option('sparkle-feed-url', type: 'string',
         description: 'Feed URL for autoupdating with the Sparkle Framework (default: disabled)')
+option('sparkle-public-edkey', type: 'string',
+        description: 'Public EdDSA key for verifying updates from the Sparkle feed (default: disabled)')
 option('xpbproxy', type: 'boolean', value: false,
         description: 'Build a standalone X pasteboard proxy')