diff --git a/jmc.yaml b/jmc.yaml
index 0a2d8e3..3e1a591 100644
--- a/jmc.yaml
+++ b/jmc.yaml
@@ -45,7 +45,7 @@ data:
       jakarta-activation:
         rationale: Dependency of javamail and jmc
         buildorder: 0
-        ref: jmc
+        ref: f32
       jmc-core:
         rationale: Core API. Dependency of jmc
         buildorder: 1