diff --git a/contracts/StandardBounties.sol b/contracts/StandardBounties.sol
index cf609b6..8339527 100644
--- a/contracts/StandardBounties.sol
+++ b/contracts/StandardBounties.sol
@@ -1,4 +1,4 @@
-pragma solidity 0.4.15;
+pragma solidity 0.4.18;
 import "./inherited/HumanStandardToken.sol";
 
 /// @title StandardBounties
diff --git a/contracts/UserComments.sol b/contracts/UserComments.sol
index a4196f6..bdfb03d 100644
--- a/contracts/UserComments.sol
+++ b/contracts/UserComments.sol
@@ -1,4 +1,4 @@
-pragma solidity 0.4.15;
+pragma solidity 0.4.18;
 
 
 /// @title User Comments