diff --git a/zipfly/zipfly.py b/zipfly/zipfly.py
index fd5161e..520b987 100644
--- a/zipfly/zipfly.py
+++ b/zipfly/zipfly.py
@@ -72,7 +72,7 @@ def __init__(self,
             raise RuntimeError("Not compression level supported")
 
 
-        self.comment = b'Written using Zipfly v4.0.2'
+        self.comment = b'Written using Zipfly v4.0.3'
         self.mode = mode
         self.paths = paths
         self.chunksize = int(chunksize)