diff --git a/extras/.DS_Store b/extras/.DS_Store
new file mode 100644
index 00000000..2bf60533
Binary files /dev/null and b/extras/.DS_Store differ
diff --git a/extras/tools/bin2ota.py b/extras/tools/bin2ota.py
index 57e3f47f..6a51268a 100755
--- a/extras/tools/bin2ota.py
+++ b/extras/tools/bin2ota.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 import sys
 import crccheck
diff --git a/extras/tools/lzss.dylib b/extras/tools/lzss.dylib
index 77e1d515..3747d1ca 100755
Binary files a/extras/tools/lzss.dylib and b/extras/tools/lzss.dylib differ
diff --git a/extras/tools/lzss.py b/extras/tools/lzss.py
index 93187078..d65ad0fe 100755
--- a/extras/tools/lzss.py
+++ b/extras/tools/lzss.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 import platform
 import sys