diff --git a/stack.yaml b/stack.yaml
index a1d27cc..8a89303 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -59,6 +59,7 @@ flags:
 
   ghcup:
     tui: true
+    internal-downloader: true
 
 system-ghc: true
 compiler: ghc-8.8.4