diff --git a/requirements.txt b/requirements.txt
index 2c021c7..63d5c22 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,10 +1,10 @@
 # Add here external Python modules dependencies, one per line. Module names
 # should match https://pypi.python.org/pypi names. For the full spec or
 # dependency lines, see https://pip.readthedocs.org/en/1.1/requirements.html
 vcversioner
 click
 requests
 swh.scheduler
 swh.model
 swh.core
-crcmode
+crcmod