1 files changed, 6 insertions, 1 deletions
diff --git a/pkgs/servers/matrix-hebbot/default.nix b/pkgs/servers/matrix-hebbot/default.nix
index e84339e9f330a..83b1ff007032f 100644
--- a/pkgs/servers/matrix-hebbot/default.nix
+++ b/pkgs/servers/matrix-hebbot/default.nix
@@ -22,7 +22,12 @@ rustPlatform.buildRustPackage rec {
     sha256 = "sha256-zcsoTWpNonkgJLTC8S9Nubnzdhj5ROL/UGNWUsLxLgs=";
   };
 
-  cargoSha256 = "sha256-ZNETA2JUZCS8/a2oeF+JCGVKbzeyhp51D0BmBTPToOw=";
+  cargoLock = {
+    lockFile = ./Cargo.lock;
+    outputHashes = {
+      "matrix-qrcode-0.1.0" = "sha256-g78Ql+r5NYNcnkoirH9E6AHagZgBCgxBfweaX1D0z0E=";
+    };
+  };
 
   nativeBuildInputs = [ pkg-config cmake ] ++
     lib.optionals stdenv.isDarwin [ autoconf automake ];