1 files changed, 10 insertions, 1 deletions
diff --git a/cli/tools/upgrade.rs b/cli/tools/upgrade.rs
index cd886fbd7..c5efa771b 100644
--- a/cli/tools/upgrade.rs
+++ b/cli/tools/upgrade.rs
@@ -593,7 +593,16 @@ fn get_url(
     UpgradeCheckKind::Execution => "",
     UpgradeCheckKind::Lsp => "?lsp",
   };
-  format!("https://dl.deno.land/{}{}", file_name, query_param)
+  format!("{}/{}{}", base_upgrade_url(), file_name, query_param)
+}
+
+fn base_upgrade_url() -> Cow<'static, str> {
+  // this is used to get the current version
+  if let Ok(url) = env::var("DENO_DONT_USE_INTERNAL_BASE_UPGRADE_URL") {
+    Cow::Owned(url)
+  } else {
+    Cow::Borrowed("https://dl.deno.land")
+  }
 }
 
 async fn download_package(