diff --git a/src/strass/requirements.txt b/src/strass/requirements.txt
index f7db2bab228700189816f728fef9e3a90ccf3e38..5e13700e94d86a255072b6c8b9d319e325a9d818 100644
--- a/src/strass/requirements.txt
+++ b/src/strass/requirements.txt
@@ -22,7 +22,7 @@ pulp
 tblib # needed when running django tests in parallele to get the error when failing
 tqdm
 gunicorn
-qrcode
+qrcode[pil]
 python-magic # to check mime type
 django-csp
 #END OF FILE