diff --git a/pkgs/by-name/ha/harmonia/package.nix b/pkgs/by-name/ha/harmonia/package.nix
index debe7bdd1de0..0d95003187cb 100644
--- a/pkgs/by-name/ha/harmonia/package.nix
+++ b/pkgs/by-name/ha/harmonia/package.nix
@@ -10,16 +10,19 @@
 
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "harmonia";
-  version = "3.0.0";
+  version = "3.1.0";
+
+  __structuredAttrs = true;
+  strictDeps = true;
 
   src = fetchFromGitHub {
     owner = "nix-community";
     repo = "harmonia";
     tag = "harmonia-v${finalAttrs.version}";
-    hash = "sha256-BovRI3p2KXwQ6RF49NqLc0uKP/Jk+yA8E0eqScaIP68=";
+    hash = "sha256-fm8PBugKnw72/dAXsRj84jf4EZK1BcVEdEWgtojIuA0=";
   };
 
-  cargoHash = "sha256-X3A+gV32itmt0SqepioT64IGzHfrCdLsQjF6EDwCTbo=";
+  cargoHash = "sha256-qp4frhNsWDma8uYcRe3BXmfIu6btYb8IaoXhk4oI4qM=";
 
   doCheck = false;