diff --git a/README.md b/README.md
index 8b32ea29..bbb26100 100644
--- a/README.md
+++ b/README.md
@@ -163,14 +163,14 @@ PHP extensions can be setup using the `extensions` input. It accepts a `string`
     extensions: :opcache
 ```
 
-- Extension `intl` can be setup with specific `ICU` version for `PHP 5.6` to `PHP 7.4` in `Ubuntu` workflows by suffixing `intl` with the `ICU` version. `ICU 50.2` and newer versions are supported. Refer to [`ICU builds`](https://github.com/shivammathur/icu-intl#icu4c-builds) for the specific versions supported.
+- Extension `intl` can be setup with specific `ICU` version for `PHP 5.6` to `PHP 8.0` in `Ubuntu` workflows by suffixing `intl` with the `ICU` version. `ICU 50.2` and newer versions are supported. Refer to [`ICU builds`](https://github.com/shivammathur/icu-intl#icu4c-builds) for the specific versions supported.
 
 ```yaml
 - name: Setup PHP with intl
   uses: shivammathur/setup-php@v2
   with:
     php-version: '7.4'
-    extensions: intl-67.1
+    extensions: intl-68.2
 ```
 
 - Extensions loaded by default after `setup-php` runs can be found on the [wiki](https://github.com/shivammathur/setup-php/wiki).
diff --git a/__tests__/extensions.test.ts b/__tests__/extensions.test.ts
index 371f2f0f..13aac874 100644
--- a/__tests__/extensions.test.ts
+++ b/__tests__/extensions.test.ts
@@ -130,6 +130,9 @@ describe('Extension tests', () => {
 
     linux = await extensions.addExtension('intl-67.1', '7.3', 'linux');
     expect(linux).toContain('add_intl intl-67.1');
+
+    linux = await extensions.addExtension('intl-68.2', '8.0', 'linux');
+    expect(linux).toContain('add_intl intl-68.2');
   });
 
   it('checking addExtensionOnDarwin', async () => {
diff --git a/dist/index.js b/dist/index.js
index 75c37c1e..3029e2d4 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -3032,7 +3032,7 @@ async function addExtensionLinux(extension_csv, version) {
             case /^(5\.[3-6]|7\.[0-4]|8\.0)blackfire(-\d+\.\d+\.\d+)?$/.test(version_extension):
             case /^((5\.[3-6])|(7\.[0-2]))pdo_cubrid$|^((5\.[3-6])|(7\.[0-4]))cubrid$/.test(version_extension):
             case /^pdo_oci$|^oci8$/.test(extension):
-            case /^5\.6intl-[\d]+\.[\d]+$|^7\.[0-4]intl-[\d]+\.[\d]+$/.test(version_extension):
+            case /^(5\.6|7\.[0-4]|8\.0)intl-[\d]+\.[\d]+$/.test(version_extension):
             case /^(5\.[3-6]|7\.[0-4])(ioncube|geos)$/.test(version_extension):
             case /^7\.[0-3]phalcon3$|^7\.[2-4]phalcon4$/.test(version_extension):
             case /^((5\.6)|(7\.[0-4]))(gearman|couchbase)$/.test(version_extension):
diff --git a/src/extensions.ts b/src/extensions.ts
index 20f60007..fa0e262e 100644
--- a/src/extensions.ts
+++ b/src/extensions.ts
@@ -236,9 +236,7 @@ export async function addExtensionLinux(
         version_extension
       ):
       case /^pdo_oci$|^oci8$/.test(extension):
-      case /^5\.6intl-[\d]+\.[\d]+$|^7\.[0-4]intl-[\d]+\.[\d]+$/.test(
-        version_extension
-      ):
+      case /^(5\.6|7\.[0-4]|8\.0)intl-[\d]+\.[\d]+$/.test(version_extension):
       case /^(5\.[3-6]|7\.[0-4])(ioncube|geos)$/.test(version_extension):
       case /^7\.[0-3]phalcon3$|^7\.[2-4]phalcon4$/.test(version_extension):
       case /^((5\.6)|(7\.[0-4]))(gearman|couchbase)$/.test(version_extension):