diff --git a/.npmignore b/.npmignore
index b59f7e3..292161c 100644
--- a/.npmignore
+++ b/.npmignore
@@ -1 +1,64 @@
-test/
\ No newline at end of file
+# Test directory
+test/
+
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+# next.js build output
+.next
diff --git a/package.json b/package.json
index 3b2bb30..8b7e7da 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sol-verifier",
-  "version": "1.1.1",
+  "version": "1.1.2",
   "description": "Verify Solidity Contracts on Etherscan",
   "main": "index.js",
   "scripts": {
diff --git a/test/sol-verifier.js b/test/sol-verifier.js
index e712f5c..7892ebf 100644
--- a/test/sol-verifier.js
+++ b/test/sol-verifier.js
@@ -89,6 +89,33 @@ describe('sol-verifier', () => {
         });
     });
 
+    describe('Compiling & Verifying Sample.sol by enabling optimization', () => {
+        var contractAddress;
+        var contractName;
+        var network;
+        var sampleData;
+        before('Compile & Deploy Sample.sol', async () => {
+            try{
+                contractName = 'Sample';
+                network = 'rinkeby';
+                contractAddress = await deployContract(contractName, network, [], true); // Optimization Enabled
+                await sleep(30000); // To make sure that contractCode is stored
+            }catch(err){
+                throw err;
+            }
+        })
+        it('Verifies Sample.sol contract successfully by enabling optimization', async () => {
+            sampleData = {
+                key: process.env.KEY,
+                path : __dirname + '/contracts/'+ contractName +'.sol', 
+                contractAddress:  contractAddress,
+                network  : network,
+                optimizationFlag: true  // Optimization Enabled
+            }; 
+            let response = await Verifier.verifyContract(sampleData);
+            response.status.should.equal('1');
+        });
+    });
 
 
     describe('Deploying & Verifying SampleWithConstructor.sol', () => {
@@ -105,6 +132,7 @@ describe('sol-verifier', () => {
                 contractAddress = await deployContract(contractName, network, constructParams);
                 await sleep(30000); // To make sure that contractCode is stored
             }catch(err){
+                console.log(err);
                 throw err;
             }
         })
@@ -121,7 +149,7 @@ describe('sol-verifier', () => {
             response.status.should.equal('1');
         });
 
-        it('Trying to verify SampleWithConstructor contract with passing constructor values (should fail)', async () => {
+        it('Trying to verify SampleWithConstructor contract without passing constructor values (should fail)', async () => {
             sampleData.cvalues = null;
             try{
                 await Verifier.verifyContract(sampleData);
diff --git a/test/utils/deploy.js b/test/utils/deploy.js
index ddd7879..3896665 100644
--- a/test/utils/deploy.js
+++ b/test/utils/deploy.js
@@ -3,12 +3,12 @@ const HDWalletProvider = require("truffle-hdwallet-provider");
 const solc = require('./solc');
 
 
-module.exports.deployContract = async (contractName, network, initParams = [] ) => {
+module.exports.deployContract = async (contractName, network, initParams = [], optimize = false) => {
     var net = 'https://' + network +'.infura.io/';
     var web3 = new Web3(new HDWalletProvider(process.env.SEED, net));
     let contractPath = __dirname + "/../contracts/"+ contractName + ".sol";
     try{
-        let {bytecode, abi } = await solc.compile(contractPath, contractName);
+        let {bytecode, abi } = await solc.compile(contractPath, contractName, optimize);
         let myContract = new web3.eth.Contract(abi);
         let result = await myContract.deploy({
             data: '0x' + bytecode,
diff --git a/test/utils/solc.js b/test/utils/solc.js
index c7781ce..578756c 100644
--- a/test/utils/solc.js
+++ b/test/utils/solc.js
@@ -1,7 +1,7 @@
 const solc = require('solc');
 const fs = require('fs');
 
-module.exports.compile = async (contractPath, contractName) => {
+module.exports.compile = async (contractPath, contractName, enableOptimization) => {
     var input = {
         language: 'Solidity',
         sources: {
@@ -17,6 +17,9 @@ module.exports.compile = async (contractPath, contractName) => {
             }
         }
     };
+
+    if(enableOptimization)
+        input.settings.optimizer = {enabled: true};
     let compilationData = JSON.parse(solc.compile(JSON.stringify(input))).contracts['sample.sol'][contractName];
     let result = {};
     result.bytecode = compilationData.evm.bytecode.object;