diff --git a/CHANGELOG.md b/CHANGELOG.md
index db55f9ba..666e18af 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ Fixes
   - Changes Content Security Policy added by GTM recipe to:
     - Include the same config regardless of environment
     - Include `unsafe_eval` in `script_src`, as it is required for Vue's compiler build
+  - Changes the front-end test to avoid using the deprecated method `isVueInstance` [#376](https://github.com/platanus/potassium/pull/376)
 
 ## 6.3.0
 
diff --git a/lib/potassium/assets/app/javascript/app.spec.js b/lib/potassium/assets/app/javascript/app.spec.js
index ca30f040..fefca344 100644
--- a/lib/potassium/assets/app/javascript/app.spec.js
+++ b/lib/potassium/assets/app/javascript/app.spec.js
@@ -4,7 +4,7 @@ import App from 'app';
 describe('App', () => {
   test('is a Vue instance', () => {
     const wrapper = shallowMount(App);
-    expect(wrapper.isVueInstance()).toBeTruthy();
+    expect(wrapper.vm).toBeTruthy();
   });
 
   it('displays message on load', () => {