diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7da1e1a..b9a114f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
 
 ### Fixed
 * fix update index.js in install generatpr [PR 147](https://github.com/shakacode/cypress-on-rails/pull/147) by [Judahmeek]
+* Support rails 7.1 by adding content-type header to generated on-rails.js file [PR 148](https://github.com/shakacode/cypress-on-rails/pull/148) by [anark]
 
 ## [1.16.0]
 [Compare]: https://github.com/shakacode/cypress-on-rails/compare/v1.15.1...v1.16.0
diff --git a/lib/generators/cypress_on_rails/templates/spec/cypress/support/on-rails.js b/lib/generators/cypress_on_rails/templates/spec/cypress/support/on-rails.js
index 534d5eb..79e8eca 100644
--- a/lib/generators/cypress_on_rails/templates/spec/cypress/support/on-rails.js
+++ b/lib/generators/cypress_on_rails/templates/spec/cypress/support/on-rails.js
@@ -6,6 +6,9 @@ Cypress.Commands.add('appCommands', function (body) {
     method: 'POST',
     url: "/__e2e__/command",
     body: JSON.stringify(body),
+    headers: {
+      'Content-Type': 'application/json',
+    },
     log: false,
     failOnStatusCode: false
   }).then((response) => {
@@ -52,6 +55,9 @@ Cypress.on('fail', (err, runnable) => {
   Cypress.$.ajax({
     url: '/__e2e__/command',
     data: JSON.stringify({name: 'log_fail', options: {error_message: err.message, runnable_full_title: runnable.fullTitle() }}),
+    headers: {
+      'Content-Type': 'application/json',
+    },
     async: false,
     method: 'POST'
   });