diff --git a/.circleci/config.yml b/.circleci/config.yml
index b8190142d8..47be78b448 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -11,6 +11,7 @@ jobs:
     working_directory: ~/repo
     steps:
       - checkout
+      - run: npm install && npm run bootstrap
       - run: cd remix-lib && npm install && npm test
             
   remix-core:
@@ -20,6 +21,7 @@ jobs:
     working_directory: ~/repo
     steps:
       - checkout
+      - run: npm install && npm run bootstrap
       - run: cd remix-core && npm install && npm test
             
   remix-solidity:
@@ -29,6 +31,7 @@ jobs:
     working_directory: ~/repo
     steps:
       - checkout
+      - run: npm install && npm run bootstrap
       - run: cd remix-solidity && npm install && npm test
    
   remix-debug:
@@ -38,6 +41,7 @@ jobs:
      working_directory: ~/repo
      steps:
       - checkout
+      - run: npm install && npm run bootstrap
       - run: cd remix-debug && npm install && npm test
              
 workflows:
diff --git a/lerna.json b/lerna.json
new file mode 100644
index 0000000000..9f6659697a
--- /dev/null
+++ b/lerna.json
@@ -0,0 +1,11 @@
+{
+  "lerna": "2.10.2",
+  "packages": [
+    "remix-core",
+    "remix-debug",
+    "remix-debugger",
+    "remix-lib",
+    "remix-solidity"
+  ],
+  "version": "independent"
+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000000..4748012088
--- /dev/null
+++ b/package.json
@@ -0,0 +1,8 @@
+{
+	"devDependencies": {
+		"lerna": "^2.10.2"
+	},
+	"scripts": {
+    	"bootstrap": "lerna bootstrap"
+  	}
+}
diff --git a/remix-core/package.json b/remix-core/package.json
index 61dfd23984..2442d56c10 100644
--- a/remix-core/package.json
+++ b/remix-core/package.json
@@ -19,7 +19,7 @@
     "babel-eslint": "^7.1.1",
     "babelify": "^7.3.0",
     "fast-async": "^6.1.2",
-    "remix-lib": "latest",
+    "remix-lib": "0.2.2",
     "standard": "^7.0.1",
     "tape": "^4.6.0"
   },
diff --git a/remix-debug/package.json b/remix-debug/package.json
index 469f27fe6d..7aedfe8db6 100644
--- a/remix-debug/package.json
+++ b/remix-debug/package.json
@@ -26,11 +26,13 @@
     "ethereumjs-vm": "^2.3.3",
     "notify-error": "^1.2.0",
     "npm-run-all": "^4.1.2",
-    "remix-core": "latest",
-    "remix-lib": "latest",
-    "remix-solidity": "latest",
+    "remix-core": "0.0.8",
+    "remix-lib": "0.2.2",
+    "remix-solidity": "0.1.4",
+    "solc": "https://github.com/ethereum/solc-js",
     "standard": "^7.0.1",
-    "standard-reporter": "^1.0.5"
+    "standard-reporter": "^1.0.5",
+    "tape": "^4.6.0"
   },
   "scripts": {
     "build": "mkdirp build; browserify index.js > build/app.js",
diff --git a/remix-debugger/package.json b/remix-debugger/package.json
index d6c5ddd7e4..a200c5ec94 100644
--- a/remix-debugger/package.json
+++ b/remix-debugger/package.json
@@ -37,9 +37,9 @@
     "notify-error": "^1.2.0",
     "npm-run-all": "^4.1.2",
     "onchange": "^3.3.0",
-    "remix-core": "latest",
-    "remix-lib": "latest",
-    "remix-solidity": "latest",
+    "remix-core": "0.0.8",
+    "remix-lib": "0.2.2",
+    "remix-solidity": "0.1.4",
     "selenium-standalone": "^6.0.1",
     "solc": "^0.4.13",
     "standard": "^7.0.1",
diff --git a/remix-solidity/package.json b/remix-solidity/package.json
index 5e131ff8e2..c1ac7bad0c 100644
--- a/remix-solidity/package.json
+++ b/remix-solidity/package.json
@@ -21,8 +21,8 @@
     "ethereumjs-util": "^4.5.0",
     "ethereumjs-vm": "^2.3.3",
     "fast-async": "^6.1.2",
-    "remix-core": "latest",
-    "remix-lib": "latest",
+    "remix-core": "0.0.8",
+    "remix-lib": "0.2.2",
     "webworkify": "^1.2.1",
     "solc": "https://github.com/ethereum/solc-js",
     "npm-run-all": "^4.0.2",