diff --git a/truffle.js b/truffle.js
index d106c743..15aa0e96 100644
--- a/truffle.js
+++ b/truffle.js
@@ -7,5 +7,10 @@ module.exports = {
       gas: 4000000,
       gasPrice: 10000000000, // 10 gwei
     }
-  }
+  },
+  compilers: {
+    solc: {
+      version: "0.4.15"
+    }
+ }
 };