diff --git a/construct.yaml b/construct.yaml
index ba7af66..977261c 100644
--- a/construct.yaml
+++ b/construct.yaml
@@ -24,6 +24,7 @@ specs:
   - sqlalchemy >=1.0.9
   - stomp.py =4.1.23
   # Middleware
+  - apache-libcloud
   - boto3
   - gfal2-util
   - nordugrid-arc