diff --git a/instaloader/__init__.py b/instaloader/__init__.py
index 04bf44a..350f15a 100644
--- a/instaloader/__init__.py
+++ b/instaloader/__init__.py
@@ -1,7 +1,7 @@
 """Download pictures (or videos) along with their captions and other metadata from Instagram."""
 
 
-__version__ = '4.3a2'
+__version__ = '4.3b1'
 
 
 try: