diff --git a/.envrc b/.envrc
index 56d5839..831c737 100644
--- a/.envrc
+++ b/.envrc
@@ -2,4 +2,4 @@ if ! has nix_direnv_version || ! nix_direnv_version 3.0.4; then
   source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/3.0.4/direnvrc" "sha256-DzlYZ33mWF/Gs8DDeyjr8mnVmQGx7ASYqA5WlxwvBG4="
 fi
 
-use_flake .#develop --impure
+use_flake .#develop