diff --git a/flake.nix b/flake.nix
index 788fead..c3f46c6 100644
--- a/flake.nix
+++ b/flake.nix
@@ -23,7 +23,7 @@
 
           src = fetchPypi {
             inherit pname version;
-            sha256 = "sha256-mHV/U9Vqv7fSsLYNrCXckkJ1YpsccLd8HsJ78IwLX0Y=";
+            hash = "sha256-mHV/U9Vqv7fSsLYNrCXckkJ1YpsccLd8HsJ78IwLX0Y=";
           };
 
           nativeCheckInputs = with python3Packages; [