diff --git a/README.md b/README.md
index c75c1cd..9933be5 100644
--- a/README.md
+++ b/README.md
@@ -127,7 +127,7 @@ Put the following lines in your `.envrc`:
 
 ```bash
 if ! has nix_direnv_version || ! nix_direnv_version 1.4.0; then
-  source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/1.4.0/direnvrc" "sha256-cVSyO0/m0hbePv+plzua014InR0lNXa+0LTn0yEW0xc="
+  source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/1.4.0/direnvrc" "sha256-4XfVDjv75eHMWN4G725VW7BoOV4Vl3vAabK4YXIfPyE="
 fi
 ```