diff --git a/ansible/inventory/group_vars/all/rpm-package-repos b/ansible/inventory/group_vars/all/rpm-package-repos
index a31d73ce..43221c27 100644
--- a/ansible/inventory/group_vars/all/rpm-package-repos
+++ b/ansible/inventory/group_vars/all/rpm-package-repos
@@ -650,6 +650,12 @@ rpm_package_repos:
     short_name: openhpc_3_updates
     sync_group: third_party
     distribution_name: openhpc-3-updates-
+  - name: OpenHPC-3 - Rolling development build for 3.5
+    url:  http://obs.openhpc.community/OpenHPC3:/3.5:/Factory/EL_9
+    base_path: OpenHPC/3/3.5/Factory/EL_9/
+    short_name: openhpc_3_5_rolling
+    sync_group: third_party
+    distribution_name: openhpc-3-5-rolling-
   - name: CernVM-FS packages - EL9
     url: https://cvmrepo.web.cern.ch/cvmrepo/yum/cvmfs/EL/9/x86_64
     base_path: cvmfs/EL/9/x86_64/