diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..0fe5694
--- /dev/null
+++ b/.envrc
@@ -0,0 +1,6 @@
+# https://github.com/nix-community/nix-direnv A fast, persistent use_nix/use_flake implementation for direnv:
+if ! has nix_direnv_version || ! nix_direnv_version 2.3.0; then
+  source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/2.3.0/direnvrc" "sha256-Dmd+j63L84wuzgyjITIfSxSD57Tx7v51DMxVZOsiUD8="
+fi
+# https://github.com/input-output-hk/devx Slightly opinionated shared GitHub Action for Cardano-Haskell projects
+use flake "github:input-output-hk/devx?rev=2f4fa7f42aa1184ce1ed03f468f60648c466fa84#ghc96-iog"
diff --git a/.gitignore b/.gitignore
index 037125f..e61e558 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,3 +23,4 @@ cabal.project.local~
 .ghc.environment.*
 devnet/db
 haddocks
+.direnv/