diff --git a/solidity/truffle-config.js b/solidity/truffle-config.js
index 55356bb23..0e1e863f8 100644
--- a/solidity/truffle-config.js
+++ b/solidity/truffle-config.js
@@ -34,5 +34,10 @@ module.exports = {
             enabled: true,
             runs:    200
         }
+    },
+    compilers: {
+	solc: {
+		version: '0.4.26'
+	} 
     }
 };