diff --git a/overrides/default.nix b/overrides/default.nix
index c0f6dab200...ccbdedc947 100644
--- a/overrides/default.nix
+++ b/overrides/default.nix
@@ -559,6 +559,7 @@
             "42.0.1" = "sha256-Kq/TSoI1cm9Pwg5CulNlAADmxdq0oWbgymHeMErUtcE=";
             "42.0.2" = "sha256-jw/FC5rQO77h6omtBp0Nc2oitkVbNElbkBUduyprTIc=";
             "42.0.3" = "sha256-QBZLGXdQz2WIBlAJM+yBk1QgmfF4b3G0Y1I5lZmAmtU=";
+            "42.0.4" = "sha256-qaXQiF1xZvv4sNIiR2cb5TfD7oNiYdvUwcm37nh2P2M=";
           }.${version} or (
             lib.warn "Unknown cryptography version: '${version}'. Please update getCargoHash." lib.fakeHash
           );