diff --git a/dist/index.js b/dist/index.js
index 8afc200d..3422accd 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -2506,6 +2506,9 @@ exports.build = build;
 async function run() {
     try {
         let version = await utils.getInput('php-version', true);
+        if (version === 'latest') {
+            version = '7.4';
+        }
         version = version.length > 1 ? version.slice(0, 3) : version + '.0';
         const os_version = process.platform;
         // check the os version and run the respective script
diff --git a/src/install.ts b/src/install.ts
index 046204e3..60ab29ae 100644
--- a/src/install.ts
+++ b/src/install.ts
@@ -62,6 +62,9 @@ export async function build(
 export async function run(): Promise<void> {
   try {
     let version: string = await utils.getInput('php-version', true);
+    if (version === 'latest') {
+      version = '7.4';
+    }
     version = version.length > 1 ? version.slice(0, 3) : version + '.0';
     const os_version: string = process.platform;