diff --git a/src/installSpecifyingVersionSemantic.task.js b/src/installSpecifyingVersionSemantic.task.js
index 5ff09aa..4a643f7 100644
--- a/src/installSpecifyingVersionSemantic.task.js
+++ b/src/installSpecifyingVersionSemantic.task.js
@@ -1,5 +1,5 @@
 import * as core from '@actions/core';
-import exec from './_exec';
+import exec from './_exec.js';
 import inputs from './inputs.json' with { type: 'json' };;
 import path, {dirname} from 'path';
 import { fileURLToPath } from 'url';
diff --git a/src/preInstall.task.js b/src/preInstall.task.js
index 79fb747..5e34ef0 100644
--- a/src/preInstall.task.js
+++ b/src/preInstall.task.js
@@ -1,7 +1,7 @@
 import path, {dirname} from 'path';
 import { fileURLToPath } from 'url';
 import * as core from '@actions/core';
-import exec from './_exec';
+import exec from './_exec.js';
 
 const __filename = fileURLToPath(import.meta.url);
 const __dirname = dirname(__filename);