diff --git a/flake.nix b/flake.nix
index 824bf39..9056fa9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -62,7 +62,7 @@
         format = "pyproject";
         src = pkgs.fetchPypi {
           inherit pname version;
-          sha256 = "sha256-jcdo/R7l3hBEx8MF7M8tOdJNh4A+pxGJ1AJPtHX0mF8=";
+          hash = "sha256-jcdo/R7l3hBEx8MF7M8tOdJNh4A+pxGJ1AJPtHX0mF8=";
         };
         buildInputs = [ pkgs.python3Packages.poetry-core ];
         propagatedBuildInputs = [ pkgs.python3Packages.pyqt6 ];
@@ -74,7 +74,7 @@
         format = "pyproject";
         src = pkgs.fetchPypi {
           inherit pname version;
-          sha256 = "sha256-WBCNhBHHBU4IQdi3ke6F4QH8KWubNZwOAd3jipj/Ks4=";
+          hash = "sha256-WBCNhBHHBU4IQdi3ke6F4QH8KWubNZwOAd3jipj/Ks4=";
         };
         propagatedBuildInputs = with pkgs.python3Packages; [ numpy pyqt6 ];
       };
@@ -85,7 +85,7 @@
         format = "pyproject";
         src = pkgs.fetchPypi {
           inherit pname version;
-          sha256 = "sha256-jqj8X6H1N5mJQ4OrY5ANqRB0YJByqg/bNneEALWmH1A=";
+          hash = "sha256-jqj8X6H1N5mJQ4OrY5ANqRB0YJByqg/bNneEALWmH1A=";
         };
         buildInputs = [ pkgs.python3Packages.poetry-core ];
         propagatedBuildInputs = [ pyqtgraph pkgs.python3Packages.numpy ];