diff --git a/roles/robosignatory/templates/robosignatory.toml.j2 b/roles/robosignatory/templates/robosignatory.toml.j2
index dbc168dba0..1cdce20667 100644
--- a/roles/robosignatory/templates/robosignatory.toml.j2
+++ b/roles/robosignatory/templates/robosignatory.toml.j2
@@ -461,6 +461,13 @@ handlers = ["console"]
             keyid = "{{ (env == 'production')|ternary('18B8e74c', 'd300e724') }}"
             file_signing_key = "fedora-39-ima"
 
+            # f39-python signing
+            [[consumer_config.koji_instances.primary.tags]]
+            from = "f39-python"
+            to = "f39-python"
+            key = "{{ (env == 'production')|ternary('f39-python', 'testkey') }}"
+            keyid = "{{ (env == 'production')|ternary('18B8e74c', 'd300e724') }}"
+
     [consumer_config.ostree_refs]
         [consumer_config.ostree_refs."fedora/rawhide/x86_64/iot"]
         directory = "/mnt/fedora_koji/koji/compose/iot/repo/"