diff --git a/.envrc b/.envrc
index 720e019335..14d7e94da6 100644
--- a/.envrc
+++ b/.envrc
@@ -2,4 +2,4 @@ if ! has nix_direnv_version || ! nix_direnv_version 3.0.6; then
   source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/3.0.6/direnvrc" "sha256-RYcUJaRMf8oF5LznDrlCXbkOQrywm0HDv1VjYGaJGdM="
 fi
 
-use flake
+use flake --impure