diff --git a/python3.yaml b/python3.yaml
index 5795194..2629bca 100644
--- a/python3.yaml
+++ b/python3.yaml
@@ -25,9 +25,9 @@ data:
             - MIT
     dependencies:
         buildrequires:
-            bootstrap: master
+            bootstrap: f27
         requires:
-            platform: master
+            platform: f27
     references:
         community: https://www.python.org/
         documentation: https://docs.python.org/3/