diff --git a/integrationTests/ts/test.js b/integrationTests/ts/test.js
index 158aee4cf6..fe5c9fa195 100644
--- a/integrationTests/ts/test.js
+++ b/integrationTests/ts/test.js
@@ -1,5 +1,6 @@
 'use strict';
 
+const fs = require('fs');
 const path = require('path');
 const childProcess = require('child_process');
 
@@ -13,5 +14,6 @@ for (const version of tsVersions) {
   console.log(`Testing on ${version} ...`);
 
   const tscPath = path.join(__dirname, 'node_modules', version, 'bin/tsc');
+  fs.chmodSync(tscPath, 0o755);
   childProcess.execSync(tscPath, { stdio: 'inherit' });
 }