diff --git a/swh/lister/cran/lister.py b/swh/lister/cran/lister.py
--- a/swh/lister/cran/lister.py
+++ b/swh/lister/cran/lister.py
@@ -97,8 +97,9 @@
         logger.debug('repo: %s', repo)
         project_url = compute_package_url(repo)
         package = repo['Package']
+        version = repo['Version']
         return {
-            'uid': package,
+            'uid': f'{package}-{version}',
             'name': package,
             'full_name': repo['Title'],
             'version': repo['Version'],