diff --git a/libs/mac/lib/libavcodec.58.dylib b/libs/mac/lib/libavcodec.58.dylib
index 917148a0..97fc4c0d 100755
Binary files a/libs/mac/lib/libavcodec.58.dylib and b/libs/mac/lib/libavcodec.58.dylib differ
diff --git a/libs/mac/lib/libavutil.56.dylib b/libs/mac/lib/libavutil.56.dylib
index 9730976f..40cc7827 100755
Binary files a/libs/mac/lib/libavutil.56.dylib and b/libs/mac/lib/libavutil.56.dylib differ
diff --git a/libs/mac/lib/libcrypto.dylib b/libs/mac/lib/libcrypto.dylib
index 5047dc33..e9cb6450 100755
Binary files a/libs/mac/lib/libcrypto.dylib and b/libs/mac/lib/libcrypto.dylib differ
diff --git a/libs/mac/lib/libssl.dylib b/libs/mac/lib/libssl.dylib
index f83d75b2..f775755d 100755
Binary files a/libs/mac/lib/libssl.dylib and b/libs/mac/lib/libssl.dylib differ
diff --git a/libs/mac/lib/libswresample.3.dylib b/libs/mac/lib/libswresample.3.dylib
index 1e2a9f1d..825f87b6 100755
Binary files a/libs/mac/lib/libswresample.3.dylib and b/libs/mac/lib/libswresample.3.dylib differ
diff --git a/scripts/generate-dmg.sh b/scripts/generate-dmg.sh
index e34f9743..03ef568b 100755
--- a/scripts/generate-dmg.sh
+++ b/scripts/generate-dmg.sh
@@ -34,13 +34,18 @@ popd
 
 echo Copying dylib dependencies
 mkdir $BUILD_FOLDER/app/Moonlight.app/Contents/lib
-cp $SOURCE_ROOT/libs/mac/lib/*.dylib $BUILD_FOLDER/app/Moonlight.app/Contents/lib/
+cp $SOURCE_ROOT/libs/mac/lib/*.dylib $BUILD_FOLDER/app/Moonlight.app/Contents/lib/ || fail "Dylib copy failed!"
 
 echo Copying frameworks dependencies
 mkdir $BUILD_FOLDER/app/Moonlight.app/Contents/Frameworks
-cp -R $SOURCE_ROOT/libs/mac/Frameworks/ $BUILD_FOLDER/app/Moonlight.app/Contents/Frameworks/
+cp -R $SOURCE_ROOT/libs/mac/Frameworks/ $BUILD_FOLDER/app/Moonlight.app/Contents/Frameworks/ || fail "Framework copy failed!"
 
 echo Creating DMG
 EXTRA_ARGS=
-if [ "$BUILD_CONFIG" == "Debug" ]; then EXTRA_ARGS=-use-debug-libs; fi
-macdeployqt $BUILD_FOLDER/app/Moonlight.app -dmg $EXTRA_ARGS -qmldir=$SOURCE_ROOT/app/gui -appstore-compliant
\ No newline at end of file
+if [ "$BUILD_CONFIG" == "Debug" ]; then EXTRA_ARGS="$EXTRA_ARGS -use-debug-libs"; fi
+if [ "$SIGNING_KEY" != "" ]; then EXTRA_ARGS="$EXTRA_ARGS -codesign=$SIGNING_KEY"; fi
+echo Extra deployment arguments: $EXTRA_ARGS
+macdeployqt $BUILD_FOLDER/app/Moonlight.app -dmg $EXTRA_ARGS -qmldir=$SOURCE_ROOT/app/gui -appstore-compliant || fail "macdeployqt failed!"
+
+echo Deploying DMG
+mv $BUILD_FOLDER/app/Moonlight.dmg $INSTALLER_FOLDER/