diff --git a/.github/workflows/nodejs.yml b/.github/workflows/nodejs.yml
index 354f2c66f..6ba924f37 100644
--- a/.github/workflows/nodejs.yml
+++ b/.github/workflows/nodejs.yml
@@ -1,6 +1,8 @@
 name: Node CI
 
-on: [push, pull_request]
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
 
 jobs:
   lint:
@@ -26,7 +28,7 @@ jobs:
 
     strategy:
       matrix:
-        node: ['8.12.x', '10.x', '12.x']
+        node: ['10.x', '12.x', '13.x']
         os: [ubuntu-latest, windows-latest, macOS-latest]
 
     name: Test on node ${{ matrix.node }} and ${{ matrix.os }}
@@ -42,4 +44,4 @@ jobs:
         run: yarn install --frozen-lockfile
 
       - name: Test package
-        run: yarn test
+        run: yarn test --runInBand
diff --git a/README.md b/README.md
index 58ae2b0c7..5beb9431a 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,7 @@ Despite all the recent hype, setting up a new TypeScript (x React) library can b
   - [`tsdx build`](#tsdx-build)
   - [`tsdx test`](#tsdx-test)
   - [`tsdx lint`](#tsdx-lint)
+- [Contributing](#contributing)
 - [Author](#author)
 - [License](#license)
 - [Contributors ✨](#contributors-)
@@ -452,16 +453,14 @@ Examples
 
 ### `tsdx test`
 
-This runs Jest v24.x in watch mode. See [https://jestjs.io](https://jestjs.io) for options.
-
-If you would like to disable watch mode, you can set the environment variable `CI=true`. For instance, you could set up your `package.json` `scripts` like:
+This runs Jest v24.x. See [https://jestjs.io](https://jestjs.io) for options. For example, if you would like to run in watch mode, you can run `tsdx test --watch`. So you could set up your `package.json` `scripts` like:
 
 ```json
 {
   "scripts": {
-    "test": "CI=true tsdx test",
-    "test:watch": "tsdx test",
-    "test:coverage": "CI=true tsdx test --coverage"
+    "test": "tsdx test",
+    "test:watch": "tsdx test --watch",
+    "test:coverage": "tsdx test --coverage"
   }
 }
 ```
diff --git a/package.json b/package.json
index 3e1cd4683..b85a3e8c2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "tsdx",
-  "version": "0.12.2",
+  "version": "0.12.3",
   "author": "Jared Palmer <jared@palmer.net>",
   "description": "Zero-config TypeScript package development",
   "license": "MIT",
diff --git a/src/index.ts b/src/index.ts
index 2096a29c9..e059c8358 100755
--- a/src/index.ts
+++ b/src/index.ts
@@ -529,10 +529,6 @@ prog
       })
     );
 
-    if (!process.env.CI) {
-      argv.push('--watch'); // run jest in watch mode unless in CI
-    }
-
     const [, ...argsToPassToJestCli] = argv;
     jest.run(argsToPassToJestCli);
   });