diff --git a/__tests__/cache-restore.test.ts b/__tests__/cache-restore.test.ts
index e591ef1..149726a 100644
--- a/__tests__/cache-restore.test.ts
+++ b/__tests__/cache-restore.test.ts
@@ -114,12 +114,6 @@ virtualenvs.path = "{cache-dir}/virtualenvs"  # /Users/patrick/Library/Caches/py
           dependencyFile
         );
 
-        if (process.platform === 'linux') {
-          getLinuxOSReleaseInfoSpy.mockImplementation(() =>
-            Promise.resolve('Ubuntu-20.4')
-          );
-        }
-
         await cacheDistributor.restoreCache();
 
         if (process.platform === 'linux') {
diff --git a/dist/setup/index.js b/dist/setup/index.js
index e5fe26e..5c3ab6d 100644
--- a/dist/setup/index.js
+++ b/dist/setup/index.js
@@ -65484,17 +65484,10 @@ function isCacheFeatureAvailable() {
 exports.isCacheFeatureAvailable = isCacheFeatureAvailable;
 function getLinuxOSReleaseInfo() {
     return __awaiter(this, void 0, void 0, function* () {
-        const { stdout, stderr, exitCode } = yield exec.getExecOutput('lsb_release', ['-a'], {
+        const { stdout, stderr, exitCode } = yield exec.getExecOutput('lsb_release', ['-i -r -s'], {
             silent: true
         });
-        let osVersion = '';
-        let osRelease = '';
-        stdout.split('\n').forEach(elem => {
-            if (elem.includes('Distributor'))
-                osVersion = elem.split(':')[1].trim();
-            if (elem.includes('Release'))
-                osRelease = elem.split(':')[1].trim();
-        });
+        const [osRelease, osVersion] = stdout.trim().split('\n');
         core.debug(`OS Release: ${osRelease}, Version: ${osVersion}`);
         return `${osVersion}-${osRelease}`;
     });
diff --git a/src/utils.ts b/src/utils.ts
index 085774e..e5374e9 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -124,19 +124,13 @@ export function isCacheFeatureAvailable(): boolean {
 export async function getLinuxOSReleaseInfo() {
   const {stdout, stderr, exitCode} = await exec.getExecOutput(
     'lsb_release',
-    ['-a'],
+    ['-i -r -s'],
     {
       silent: true
     }
   );
 
-  let osVersion = '';
-  let osRelease = '';
-
-  stdout.split('\n').forEach(elem => {
-    if (elem.includes('Distributor')) osVersion = elem.split(':')[1].trim();
-    if (elem.includes('Release')) osRelease = elem.split(':')[1].trim();
-  });
+  const [osRelease, osVersion] = stdout.trim().split('\n');
 
   core.debug(`OS Release: ${osRelease}, Version: ${osVersion}`);