diff --git a/taskcluster/fenix_taskgraph/parameters.py b/taskcluster/fenix_taskgraph/parameters.py
index 670ed6e003..ba88fa2ee4 100644
--- a/taskcluster/fenix_taskgraph/parameters.py
+++ b/taskcluster/fenix_taskgraph/parameters.py
@@ -48,6 +48,9 @@ def get_decision_parameters(graph_config, parameters):
         elif version.is_release:
             next_version = version.bump("patch_number")
             release_type = "release"
+        elif version.is_release_candidate:
+            next_version = version.bump("release_candidate_number")
+            release_type = "release"
         else:
             raise ValueError("Unsupported version type: {}".format(version.version_type))
 
diff --git a/taskcluster/fenix_taskgraph/release_promotion.py b/taskcluster/fenix_taskgraph/release_promotion.py
index ce668718bc..1bf06112aa 100644
--- a/taskcluster/fenix_taskgraph/release_promotion.py
+++ b/taskcluster/fenix_taskgraph/release_promotion.py
@@ -155,6 +155,8 @@ def release_promotion_action(parameters, graph_config, input, task_group_id, tas
         release_type = "beta"
     elif version.is_release:
         release_type = "release"
+    elif version.is_release_candidate:
+        release_type = "release"
     else:
         raise ValueError("Unsupported version type: {}".format(version.version_type))
     parameters['release_type'] = release_type