diff --git a/tycho.yaml b/tycho.yaml
index 88aeef4..4774bce 100644
--- a/tycho.yaml
+++ b/tycho.yaml
@@ -30,7 +30,7 @@ data:
     dependencies:
         - buildrequires:
               javapackages-tools: [201801]
-              tycho: ["1.6"]
+              tycho: ["1.5"]
               platform: ["f31"]
           requires:
               javapackages-tools: [201801]