diff --git a/platform.yaml b/platform.yaml
index 84313c0..d84437c 100644
--- a/platform.yaml
+++ b/platform.yaml
@@ -377,7 +377,7 @@ data:
             fedora-modular-release:
                 rationale: >-
                     Base system files and macros.
-                ref: f27
+                ref: 73c39725ea2e8029e258c716da458bbba4e208e8
             # fedora-modular-repos-dummyversion-dummyrelease
             fedora-modular-repos:
                 rationale: >-