diff --git a/setup.py b/setup.py
index 6d59470..72fa18f 100644
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,7 @@ def read(f):
 
 
 install_requires = [
-    'sdiff @ git+https://github.com/KeepSafe/html-structure-diff.git#egg=sdiff',
+    'sdiff @ git+https://github.com/KeepSafe/html-structure-diff.git@0.4.1#egg=sdiff',
     'aiohttp >=3, <3.4',
     'Markdown',
     'parse >=1, <2',