diff --git a/contracts/Migrations.sol b/contracts/Migrations.sol
index 483c891..8e81d72 100644
--- a/contracts/Migrations.sol
+++ b/contracts/Migrations.sol
@@ -1,4 +1,4 @@
-pragma solidity ^0.5.0;
+pragma solidity 0.5.0;
 
 /* solium-disable mixedcase */
 contract Migrations {
diff --git a/contracts/Ownable.sol b/contracts/Ownable.sol
index 7b6bff5..897b9eb 100644
--- a/contracts/Ownable.sol
+++ b/contracts/Ownable.sol
@@ -1,4 +1,4 @@
-pragma solidity ^0.5.0;
+pragma solidity 0.5.0;
 
 
 /**
diff --git a/contracts/v1/InstaAddress.sol b/contracts/v1/InstaAddress.sol
index 6570336..385e1b1 100644
--- a/contracts/v1/InstaAddress.sol
+++ b/contracts/v1/InstaAddress.sol
@@ -1,4 +1,4 @@
-pragma solidity ^0.5.0;
+pragma solidity 0.5.0;
 
 
 contract AddressRegistry {
diff --git a/contracts/v1/protocols/InstaKyber.sol b/contracts/v1/protocols/InstaKyber.sol
index 9d45cd0..80c705e 100644
--- a/contracts/v1/protocols/InstaKyber.sol
+++ b/contracts/v1/protocols/InstaKyber.sol
@@ -1,4 +1,4 @@
-pragma solidity ^0.5.0;
+pragma solidity 0.5.0;
 
 
 library SafeMath {
diff --git a/contracts/v1/protocols/MakerDAO/InstaMaker.sol b/contracts/v1/protocols/MakerDAO/InstaMaker.sol
index c191e20..ce702b9 100644
--- a/contracts/v1/protocols/MakerDAO/InstaMaker.sol
+++ b/contracts/v1/protocols/MakerDAO/InstaMaker.sol
@@ -1,4 +1,4 @@
-pragma solidity ^0.5.0;
+pragma solidity 0.5.0;
 
 
 library SafeMath {
diff --git a/contracts/v1/protocols/MakerDAO/PublicCDP.sol b/contracts/v1/protocols/MakerDAO/PublicCDP.sol
index 1120788..d2cb9e6 100644
--- a/contracts/v1/protocols/MakerDAO/PublicCDP.sol
+++ b/contracts/v1/protocols/MakerDAO/PublicCDP.sol
@@ -1,5 +1,5 @@
 // Resolver to Wipe & Coll any CDP
-pragma solidity ^0.5.0;
+pragma solidity 0.5.0;
 
 
 library SafeMath {
diff --git a/contracts/v1/protocols/MakerDAO/uniqueCDP.sol b/contracts/v1/protocols/MakerDAO/uniqueCDP.sol
index 0f1ee92..1d89889 100644
--- a/contracts/v1/protocols/MakerDAO/uniqueCDP.sol
+++ b/contracts/v1/protocols/MakerDAO/uniqueCDP.sol
@@ -1,4 +1,4 @@
-pragma solidity ^0.5.0;
+pragma solidity 0.5.0;
 
 
 library SafeMath {
diff --git a/contracts/v2/DAI2ETH.sol b/contracts/v2/DAI2ETH.sol
index 9c05487..18b86f6 100644
--- a/contracts/v2/DAI2ETH.sol
+++ b/contracts/v2/DAI2ETH.sol
@@ -1,4 +1,4 @@
-pragma solidity ^0.5.0;
+pragma solidity 0.5.0;
 
 interface IERC20 {
     function balanceOf(address who) external view returns (uint256);
diff --git a/contracts/v2/InstaBank.sol b/contracts/v2/InstaBank.sol
index 8fb1612..4ef3fa7 100644
--- a/contracts/v2/InstaBank.sol
+++ b/contracts/v2/InstaBank.sol
@@ -10,7 +10,7 @@
 //// RAVINDRA
 // How can we create a global variable for "loanMaster"?
 
-pragma solidity ^0.5.0;
+pragma solidity 0.5.0;
 
 
 library SafeMath {
diff --git a/contracts/v2/LeverageCDP.sol b/contracts/v2/LeverageCDP.sol
index fdb6dad..877723e 100644
--- a/contracts/v2/LeverageCDP.sol
+++ b/contracts/v2/LeverageCDP.sol
@@ -1,4 +1,4 @@
-pragma solidity ^0.5.0;
+pragma solidity 0.5.0;
 
 
 library SafeMath {
diff --git a/truffle.js b/truffle.js
index 86d4281..066df77 100644
--- a/truffle.js
+++ b/truffle.js
@@ -16,6 +16,7 @@ const ropstenProvider = new HDWalletProvider(
 )
 
 module.exports = {
+  plugins: [ "truffle-security" ],
   migrations_directory: './migrations',
   networks: {
     test: {
@@ -40,6 +41,7 @@ module.exports = {
     }
   },
   solc: {
+    version: '0.5.4',
     optimizer: {
       enabled: true,
       runs: 500