diff --git a/default.nix b/default.nix
index bcb047986c..c6bab66358 100644
--- a/default.nix
+++ b/default.nix
@@ -23,7 +23,7 @@ rustPlatform.buildRustPackage {
   cargoLock = {
     lockFile = ./Cargo.lock;
     outputHashes = {
-      "confy-0.5.1" = "sha256-3PQdz9W/uJd4CaUZdwAd2u3JJ100SFAoKLCFE6THRZI=";
+      "confy-0.5.1" = "sha256-KML/uoze2djsFhYk488QAtauethDaC+0aZ3q56yAhuY=";
       "criterion-0.3.5" = "sha256-+FibPQGiR45g28xCHcM0pMN+C+Q8gO8206Wb5fiTy+k=";
       "inkwell-0.1.0" = "sha256-1kpvY3naS33B99nuu5ZYhb7mdddAyG+DkbUl/RG1Ptg=";
       "plotters-0.3.1" = "sha256-noy/RSjoEPZZbOJTZw1yxGcX5S+2q/7mxnUrzDyxOFw=";