diff --git a/requirements.txt b/requirements.txt
index 48d567f..70ba4b7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 chainlib>=0.0.6a1,<=0.0.6
 chainqueue>=0.0.3a1,<=0.0.3
-chainsyncer>=0.0.5a1,<=0.0.4
+chainsyncer>=0.0.5a1,<=0.0.5
 confini>=0.4.1a1,<0.5.0
 pyxdg~=0.26