diff --git a/installer.yaml b/installer.yaml
index 29f61e7..1fbd7ad 100644
--- a/installer.yaml
+++ b/installer.yaml
@@ -8,10 +8,10 @@ data:
             - MIT
     dependencies:
         buildrequires:
-            bootstrap: master
+            bootstrap: f27
             X11-base: master
         requires:
-            platform: master
+            platform: f27
             hardware-support: f27
             X11-base: f27
             python3: master