diff --git a/Dockerfile b/Dockerfile
index 0db8dcf..690cd2e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,5 @@
 FROM nixos/nix:2.21.4
 
 RUN ln -s `which sleep` /bin/sleep
+RUN echo 'experimental-features = nix-command flakes' >> /etc/nix/nix.conf
+RUN nix-env -iA nixpkgs.nodejs-slim