diff --git a/CHANGELOG.md b/CHANGELOG.md
index 802985382..da0a679c0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
 # Changelog Fab-manager
 
 - Improved display of the icons alerting about an outdated version
+- Improved mime-type checking (back & front)
+- Updated CarrierWave to 2.1.0
 - Fix a bug: managers do not see the name of the user who reserved a slot
 - [TODO DEPLOY] `rails fablab:setup:env_to_db`
 
diff --git a/app/views/api/members/_member.json.jbuilder b/app/views/api/members/_member.json.jbuilder
index 6064bea22..84d4d4380 100644
--- a/app/views/api/members/_member.json.jbuilder
+++ b/app/views/api/members/_member.json.jbuilder
@@ -10,7 +10,7 @@ json.profile do
   if member.profile.user_avatar
     json.user_avatar do
       json.id member.profile.user_avatar.id
-      json.attachment_url member.profile.user_avatar.attachment_url
+      json.attachment_url "#{member.profile.user_avatar.attachment_url}?#{member.profile.user_avatar.updated_at.to_i}"
     end
   end
   json.first_name member.profile.first_name