diff --git a/jmc.yaml b/jmc.yaml
index 7d39344..30dc050 100644
--- a/jmc.yaml
+++ b/jmc.yaml
@@ -20,12 +20,12 @@ data:
       - jmc-core
   dependencies:
     - buildrequires:
-        platform: [f31]
+        platform: [-f29]
         tycho: [1.4]
         eclipse: [2019-06]
+        javapackages-tools: [201801]
       requires:
-        platform: [f31]
-        tycho: [1.4]
+        platform: [-f29]
         eclipse: [2019-06]
   api:
     rpms: