diff --git a/requirements.txt b/requirements.txt
index 61ea112d..2702be16 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 # ckanext-harvest
--e git+https://github.com/ckan/ckanext-harvest.git@2e5ac42f3ba58dd4bcb1e69a783e155828ff4b89#egg=ckanext-harvest
+-e git+https://github.com/ckan/ckanext-harvest.git@v1.5.6#egg=ckanext-harvest
 ckantoolkit>=0.0.7
 pika>=1.1.0,<1.3.0
 enum34; python_version < '3.0'  # Required by pika