diff --git a/dist/setup/index.js b/dist/setup/index.js
index 2f06fb35..b62b73dc 100644
--- a/dist/setup/index.js
+++ b/dist/setup/index.js
@@ -97762,6 +97762,7 @@ const MANIFEST_REPO_OWNER = 'actions';
 const MANIFEST_REPO_NAME = 'python-versions';
 const MANIFEST_REPO_BRANCH = 'main';
 exports.MANIFEST_URL = `https://raw.githubusercontent.com/${MANIFEST_REPO_OWNER}/${MANIFEST_REPO_NAME}/${MANIFEST_REPO_BRANCH}/versions-manifest.json`;
+const PYTHON_DOWNLOAD_BASE_URL = core.getInput('python_download_base_url');
 function findReleaseFromManifest(semanticVersionSpec, architecture, manifest) {
     return __awaiter(this, void 0, void 0, function* () {
         if (!manifest) {
@@ -97852,7 +97853,9 @@ function installCpythonFromRelease(release) {
         if (!release.files || release.files.length === 0) {
             throw new Error('No files found in the release to download.');
         }
-        const downloadUrl = release.files[0].download_url;
+        const downloadUrl = !PYTHON_DOWNLOAD_BASE_URL
+            ? release.files[0].download_url
+            : release.files[0].download_url.replace('https://github.com/', PYTHON_DOWNLOAD_BASE_URL);
         core.info(`Download from "${downloadUrl}"`);
         let pythonPath = '';
         try {