diff --git a/postgresql.yaml b/postgresql.yaml
index 29792f2..0dfdb12 100644
--- a/postgresql.yaml
+++ b/postgresql.yaml
@@ -7,9 +7,9 @@ data:
     module: [ MIT ]
   dependencies:
     buildrequires:
-      bootstrap: master
+      bootstrap: f27
     requires:
-      platform: master
+      platform: f27
   references:
     community: https://docs.pagure.org/modularity/
     documentation: https://github.com/modularity-modules/postgresql