diff --git a/spec/auto-update-manager-spec.coffee b/spec/auto-update-manager-spec.coffee
deleted file mode 100644
index fbcfdf659d..0000000000
--- a/spec/auto-update-manager-spec.coffee
+++ /dev/null
@@ -1,62 +0,0 @@
-AutoUpdateManager = require('../src/browser/auto-update-manager').default
-url = require 'url'
-
-describe "AutoUpdateManager", ->
-  beforeEach ->
-    @nylasIdentityId = null
-    @accounts = [{email_address: 'ben@nylas.com'},{email_address: 'mark@nylas.com'}]
-    @specMode = true
-    @config =
-      set: jasmine.createSpy('config.set')
-      get: (key) =>
-        if key is 'nylas.accounts'
-          return @accounts
-        if key is 'nylas.identity.id'
-          return @nylasIdentityId
-      onDidChange: (key, callback) =>
-        callback()
-
-  describe "with attached commit version", ->
-    it "correctly sets the feedURL", ->
-      m = new AutoUpdateManager("3.222.1-abc", @config, @specMode)
-      spyOn(m, "setupAutoUpdater")
-
-      {query} = url.parse(m.feedURL, true)
-      expect(query.arch).toBe process.arch
-      expect(query.platform).toBe process.platform
-      expect(query.version).toBe "3.222.1-abc"
-
-  describe "with no attached commit", ->
-    it "correctly sets the feedURL", ->
-      m = new AutoUpdateManager("3.222.1", @config, @specMode)
-      spyOn(m, "setupAutoUpdater")
-      {query} = url.parse(m.feedURL, true)
-      expect(query.arch).toBe process.arch
-      expect(query.platform).toBe process.platform
-      expect(query.version).toBe "3.222.1"
-
-  describe "when an update identity is not present", ->
-    it "should use anonymous", ->
-      m = new AutoUpdateManager("3.222.1", @config, @specMode)
-      spyOn(m, "setupAutoUpdater")
-      {query} = url.parse(m.feedURL, true)
-      expect(query.id).toEqual('anonymous')
-
-  describe "when an update identity is already set", ->
-    it "should send it and not save any changes", ->
-      @nylasIdentityId = "test-nylas-id"
-      m = new AutoUpdateManager("3.222.1", @config, @specMode)
-      spyOn(m, "setupAutoUpdater")
-      {query} = url.parse(m.feedURL, true)
-      expect(query.id).toEqual(@nylasIdentityId)
-
-  describe "when an update identity is added", ->
-    it "should update the feed URL", ->
-      m = new AutoUpdateManager("3.222.1", @config, @specMode)
-      spyOn(m, "setupAutoUpdater")
-      {query} = url.parse(m.feedURL, true)
-      expect(query.id).toEqual('anonymous')
-      @nylasIdentityId = '1'
-      m._updateFeedURL()
-      {query} = url.parse(m.feedURL, true)
-      expect(query.id).toEqual(@nylasIdentityId)
diff --git a/spec/auto-update-manager-spec.es6 b/spec/auto-update-manager-spec.es6
new file mode 100644
index 0000000000..6c15d86dc1
--- /dev/null
+++ b/spec/auto-update-manager-spec.es6
@@ -0,0 +1,80 @@
+import url from 'url';
+import AutoUpdateManager from '../src/browser/auto-update-manager';
+
+describe("AutoUpdateManager", function autoUpdateManager() {
+  beforeEach(() => {
+    this.nylasIdentityId = null;
+    this.accounts = [{email_address: 'ben@nylas.com'}, {email_address: 'mark@nylas.com'}];
+    this.specMode = true;
+    this.config = {
+      set: jasmine.createSpy('config.set'),
+      get: key => {
+        if (key === 'nylas.accounts') {
+          return this.accounts;
+        }
+        if (key === 'nylas.identity.id') {
+          return this.nylasIdentityId;
+        }
+        return null;
+      },
+      onDidChange: (key, callback) => {
+        return callback();
+      },
+    };
+  });
+
+  describe("with attached commit version", () =>
+    it("correctly sets the feedURL", () => {
+      const m = new AutoUpdateManager("3.222.1-abc", this.config, this.specMode);
+      spyOn(m, "setupAutoUpdater");
+
+      const {query} = url.parse(m.feedURL, true);
+      expect(query.arch).toBe(process.arch);
+      expect(query.platform).toBe(process.platform);
+      expect(query.version).toBe("3.222.1-abc");
+    })
+  );
+
+  describe("with no attached commit", () =>
+    it("correctly sets the feedURL", () => {
+      const m = new AutoUpdateManager("3.222.1", this.config, this.specMode);
+      spyOn(m, "setupAutoUpdater");
+      const {query} = url.parse(m.feedURL, true);
+      expect(query.arch).toBe(process.arch);
+      expect(query.platform).toBe(process.platform);
+      expect(query.version).toBe("3.222.1");
+    })
+  );
+
+  describe("when an update identity is not present", () =>
+    it("should use anonymous", () => {
+      const m = new AutoUpdateManager("3.222.1", this.config, this.specMode);
+      spyOn(m, "setupAutoUpdater");
+      const {query} = url.parse(m.feedURL, true);
+      expect(query.id).toEqual('anonymous');
+    })
+  );
+
+  describe("when an update identity is already set", () =>
+    it("should send it and not save any changes", () => {
+      this.nylasIdentityId = "test-nylas-id";
+      const m = new AutoUpdateManager("3.222.1", this.config, this.specMode);
+      spyOn(m, "setupAutoUpdater");
+      const {query} = url.parse(m.feedURL, true);
+      expect(query.id).toEqual(this.nylasIdentityId);
+    })
+  );
+
+  describe("when an update identity is added", () =>
+    it("should update the feed URL", () => {
+      const m = new AutoUpdateManager("3.222.1", this.config, this.specMode);
+      spyOn(m, "setupAutoUpdater");
+      let {query} = url.parse(m.feedURL, true);
+      expect(query.id).toEqual('anonymous');
+      this.nylasIdentityId = '1';
+      m._updateFeedURL();
+      ({query} = url.parse(m.feedURL, true));
+      expect(query.id).toEqual(this.nylasIdentityId);
+    })
+  );
+});