diff --git a/src/download/download-version.ts b/src/download/download-version.ts
index 010e538..cf3c5ae 100644
--- a/src/download/download-version.ts
+++ b/src/download/download-version.ts
@@ -24,6 +24,7 @@ export function tryGetFromToolCache(
 }
 
 export async function downloadVersion(
+  githubUrl: string,
   platform: Platform,
   arch: Architecture,
   version: string,
@@ -36,7 +37,7 @@ export async function downloadVersion(
   if (platform === "pc-windows-msvc") {
     extension = ".zip";
   }
-  const downloadUrl = `https://github.com/${OWNER}/${REPO}/releases/download/${resolvedVersion}/${artifact}${extension}`;
+  const downloadUrl = `${githubUrl}/${OWNER}/${REPO}/releases/download/${resolvedVersion}/${artifact}${extension}`;
   core.info(`Downloading uv from "${downloadUrl}" ...`);
 
   const downloadPath = await tc.downloadTool(
diff --git a/src/setup-uv.ts b/src/setup-uv.ts
index 642e8e4..93a4c79 100644
--- a/src/setup-uv.ts
+++ b/src/setup-uv.ts
@@ -25,6 +25,7 @@ import {
   toolDir,
   version as versionInput,
   workingDirectory,
+  githubUrl,
 } from "./utils/inputs";
 import * as exec from "@actions/exec";
 import fs from "node:fs";
@@ -95,6 +96,7 @@ async function setupUv(
   }
 
   const downloadVersionResult = await downloadVersion(
+    githubUrl,
     platform,
     arch,
     resolvedVersion,
diff --git a/src/utils/inputs.ts b/src/utils/inputs.ts
index 2d47585..44d8ed8 100644
--- a/src/utils/inputs.ts
+++ b/src/utils/inputs.ts
@@ -17,6 +17,7 @@ export const ignoreEmptyWorkdir =
   core.getInput("ignore-empty-workdir") === "true";
 export const toolBinDir = getToolBinDir();
 export const toolDir = getToolDir();
+export const githubUrl = getGithubUrl();
 export const githubToken = core.getInput("github-token");
 
 function getEnableCache(): boolean {
@@ -84,3 +85,14 @@ function expandTilde(input: string): string {
   }
   return input;
 }
+
+function getGithubUrl(): string {
+  let url = "https://github.com";
+  if(process.env.GITHUB_URL) {
+    url = process.env.GITHUB_URL;
+  }
+  if(url.endsWith("/")) {
+    url = url.replaceAll(/\/+$/g, "")
+  }
+  return url;
+}
\ No newline at end of file