diff --git a/roles/robosignatory/templates/robosignatory.toml.j2 b/roles/robosignatory/templates/robosignatory.toml.j2
index 0fa30e8847..756046a3ea 100644
--- a/roles/robosignatory/templates/robosignatory.toml.j2
+++ b/roles/robosignatory/templates/robosignatory.toml.j2
@@ -408,7 +408,7 @@ handlers = ["console"]
             # ima file signing - enabled in f37
             file_signing_key = "fedora-38-ima"
             {% endif %}
-            
+
             # f38 resigning
             [[consumer_config.koji_instances.primary.tags]]
             from = "f38"
@@ -433,6 +433,14 @@ handlers = ["console"]
             keyid = "{{ (env == 'production')|ternary('18B8e74c', 'd300e724') }}"
             file_signing_key = "fedora-39-ima"
 
+            # resigning f40 builds with f41 key before branching. Remove after branching.
+            [[consumer_config.koji_instances.primary.tags]]
+            from = "f40"
+            to = "f40"
+            key = "{{ (env == 'production')|ternary('fedora-41', 'testkey') }}"
+            keyid = "{{ (env == 'production')|ternary('2e99d6ad1', 'd300e724') }}"
+            file_signing_key = "fedora-41-ima"
+
             # F40 Mass Rebuild
             [[consumer_config.koji_instances.primary.tags]]
             from = "f40-rebuild"