diff --git a/jest.config.js b/jest.config.js
new file mode 100644
index 0000000..b5cd23f
--- /dev/null
+++ b/jest.config.js
@@ -0,0 +1,7 @@
+module.exports = {
+  moduleFileExtensions: ['ts', 'tsx', 'js'],
+  transform: {
+    '\\.(ts|tsx)$': 'ts-jest',
+  },
+  testRegex: '/src/.*\\.spec.(ts|tsx|js)$',
+};
diff --git a/package.json b/package.json
index 5c27c24..af9160d 100644
--- a/package.json
+++ b/package.json
@@ -35,17 +35,6 @@
     "fs": "0.0.1-security",
     "request": "^2.81.0"
   },
-  "jest": {
-    "moduleFileExtensions": [
-      "ts",
-      "tsx",
-      "js"
-    ],
-    "transform": {
-      "\\.(ts|tsx)$": "ts-jest"
-    },
-    "testRegex": "/spec/.*\\.spec.(ts|tsx|js)$"
-  },
   "devDependencies": {
     "@types/atom": "^1.26.0",
     "@types/chai": "^4.1.2",
diff --git a/spec/__mocks__/atom.ts b/src/__mocks__/atom.ts
similarity index 100%
rename from spec/__mocks__/atom.ts
rename to src/__mocks__/atom.ts
diff --git a/spec/config/settings.spec.ts b/src/config/settings.spec.ts
similarity index 82%
rename from spec/config/settings.spec.ts
rename to src/config/settings.spec.ts
index c2900a8..97dc66a 100644
--- a/spec/config/settings.spec.ts
+++ b/src/config/settings.spec.ts
@@ -1,5 +1,5 @@
 import { expect } from 'chai';
-import Settings from '../../src/config/settings';
+import Settings from './settings';
 
 it('should export an object', () => {
   expect(Settings).to.be.an('object');
diff --git a/spec/lib/notifier.spec.ts b/src/lib/notifier.spec.ts
similarity index 98%
rename from spec/lib/notifier.spec.ts
rename to src/lib/notifier.spec.ts
index 3a6ab93..94d4c7d 100644
--- a/spec/lib/notifier.spec.ts
+++ b/src/lib/notifier.spec.ts
@@ -1,5 +1,5 @@
 import { expect } from 'chai';
-import * as Notifier from '../../src/lib/notifier';
+import * as Notifier from './notifier';
 
 declare const global: any;
 
diff --git a/spec/lib/package.spec.ts b/src/lib/package.spec.ts
similarity index 89%
rename from spec/lib/package.spec.ts
rename to src/lib/package.spec.ts
index 70b973b..9baf071 100644
--- a/spec/lib/package.spec.ts
+++ b/src/lib/package.spec.ts
@@ -1,5 +1,5 @@
 import { expect } from 'chai';
-import Package from '../../src/lib/package';
+import Package from './package';
 
 it('should construct', () => {
   expect(new Package()).to.be.an('object');
diff --git a/spec/lib/updater.spec.ts b/src/lib/updater.spec.ts
similarity index 97%
rename from spec/lib/updater.spec.ts
rename to src/lib/updater.spec.ts
index a311bd1..1e8bb31 100644
--- a/spec/lib/updater.spec.ts
+++ b/src/lib/updater.spec.ts
@@ -1,5 +1,5 @@
 import { expect } from 'chai';
-import { Updater } from '../../src/lib/updater';
+import { Updater } from './updater';
 
 declare const global: any;
 
diff --git a/tsconfig.json b/tsconfig.json
index 31fd588..a7e01c9 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -10,5 +10,6 @@
     "strict": true,
     "target": "ES3"
   },
-  "include": ["./src/*.ts", "./src/**/*.ts"]
+  "include": ["./src/*.ts", "./src/**/*.ts"],
+  "exclude": ["./src/*.spec.ts", "./src/**/*.spec.ts"]
 }