diff --git a/Magic Drumpad.xcodeproj/project.pbxproj b/Magic Drumpad.xcodeproj/project.pbxproj
index 418d378..5edca21 100644
--- a/Magic Drumpad.xcodeproj/project.pbxproj	
+++ b/Magic Drumpad.xcodeproj/project.pbxproj	
@@ -207,8 +207,11 @@
 						CreatedOnToolsVersion = 9.0;
 						LastSwiftMigration = 1000;
 						SystemCapabilities = {
+							com.apple.HardenedRuntime = {
+								enabled = 1;
+							};
 							com.apple.Sandbox = {
-								enabled = 0;
+								enabled = 1;
 							};
 						};
 					};
@@ -440,8 +443,10 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CODE_SIGN_ENTITLEMENTS = "Magic Drumpad/Magic Drumpad.entitlements";
 				COMBINE_HIDPI_IMAGES = YES;
 				DEVELOPMENT_TEAM = 7TD9A665TC;
+				ENABLE_HARDENED_RUNTIME = YES;
 				INFOPLIST_FILE = "Magic Drumpad/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
 				MACOSX_DEPLOYMENT_TARGET = 10.12;
@@ -456,8 +461,10 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CODE_SIGN_ENTITLEMENTS = "Magic Drumpad/Magic Drumpad.entitlements";
 				COMBINE_HIDPI_IMAGES = YES;
 				DEVELOPMENT_TEAM = 7TD9A665TC;
+				ENABLE_HARDENED_RUNTIME = YES;
 				INFOPLIST_FILE = "Magic Drumpad/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
 				MACOSX_DEPLOYMENT_TARGET = 10.12;
diff --git a/Magic Drumpad/Info.plist b/Magic Drumpad/Info.plist
index 7f43860..668050c 100644
--- a/Magic Drumpad/Info.plist	
+++ b/Magic Drumpad/Info.plist	
@@ -17,9 +17,9 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.1.1</string>
+	<string>1.2</string>
 	<key>CFBundleVersion</key>
-	<string>7</string>
+	<string>8</string>
 	<key>LSApplicationCategoryType</key>
 	<string>public.app-category.music</string>
 	<key>LSMinimumSystemVersion</key>
diff --git a/Magic Drumpad/Magic Drumpad.entitlements b/Magic Drumpad/Magic Drumpad.entitlements
index 0c67376..852fa1a 100644
--- a/Magic Drumpad/Magic Drumpad.entitlements	
+++ b/Magic Drumpad/Magic Drumpad.entitlements	
@@ -1,5 +1,8 @@
 <?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/>
+<dict>
+	<key>com.apple.security.app-sandbox</key>
+	<true/>
+</dict>
 </plist>
diff --git a/Magic Drumpad/Player.swift b/Magic Drumpad/Player.swift
index 27f4781..a6478e4 100644
--- a/Magic Drumpad/Player.swift	
+++ b/Magic Drumpad/Player.swift	
@@ -39,7 +39,7 @@ class MidiPlayer: Player {
 	}
 	
 	func play() {
-		try! sender.sendNoteOnMessage(noteNumber: note, velocity: 120)
+		try! sender.sendNoteOnMessage(noteNumber: note, velocity: 127)
 	}
 	
 	func stop() {