diff --git a/requirements-prod.txt b/requirements-prod.txt
index a137dd67..6d6fd334 100644
--- a/requirements-prod.txt
+++ b/requirements-prod.txt
@@ -5,9 +5,11 @@ psycopg2<2.8
 
 # Redis
 django-redis-cache==2.1.*
+redis~=2.10.6
+asgi-redis==1.4.*
 
 # ASGI protocol and HTTP server
-asgiref==1.1.1
+asgiref~=1.1.2
 daphne==1.3.0
 
 # ldap bindings
diff --git a/requirements.txt b/requirements.txt
index 6c3d799c..9fbc3e06 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,11 +7,10 @@ django-recaptcha==1.4.0
 icalendar
 Pillow
 django-bootstrap-form==3.3
-asgi-redis==1.3.0
 statistics==1.0.3.5
 django-widget-tweaks==1.4.1
 git+https://git.eleves.ens.fr/cof-geek/django_custommail.git#egg=django_custommail
-channels==1.1.5
+channels==1.1.*
 python-dateutil
 wagtail==2.7.*
 wagtailmenus==3.*