diff --git a/pkgs/tools/misc/wagyu/default.nix b/pkgs/tools/misc/wagyu/default.nix
index 39e1085d4c96..0eb71743f064 100644
--- a/pkgs/tools/misc/wagyu/default.nix
+++ b/pkgs/tools/misc/wagyu/default.nix
@@ -2,16 +2,18 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "wagyu";
-  version = "0.6.1";
+  version = "0.6.3";
 
   src = fetchFromGitHub {
     owner = "AleoHQ";
     repo = pname;
-    rev = "refs/tags/v${version}";
-    hash = "sha256-ltWNKB3DHtwVVzJyvRWj2I8rjsl7ru2i/RCO9yiQhpg=";
+    rev = "v${version}";
+    hash = "sha256-5n8BmETv5jUvgu0rskAPYaBgYyNL2QU2t/iUb3hNMMw=";
   };
 
-  cargoHash = "sha256-8dbeSHN6+1jLdVA9QxNAy7Y6EX7wflpQI72kqZAEVIE=";
+  cargoPatches = [ ./fix-rustc-serialize-version.patch ];
+
+  cargoHash = "sha256-vseTtok0E0ddg9ALQ1ql3NPPxirfyMPHOSWsM2qu2jU=";
 
   buildInputs = lib.optional stdenv.isDarwin Security;
 
diff --git a/pkgs/tools/misc/wagyu/fix-rustc-serialize-version.patch b/pkgs/tools/misc/wagyu/fix-rustc-serialize-version.patch
new file mode 100644
index 000000000000..2b990909c1b4
--- /dev/null
+++ b/pkgs/tools/misc/wagyu/fix-rustc-serialize-version.patch
@@ -0,0 +1,15 @@
+diff --git a/Cargo.lock b/Cargo.lock
+--- a/Cargo.lock
++++ b/Cargo.lock
+@@ -1286,9 +1286,9 @@ checksum = "3e75f6a532d0fd9f7f13144f392b6ad56a32696bfcd9c78f797f16bbb6f072d6"
+ 
+ [[package]]
+ name = "rustc-serialize"
+-version = "0.3.24"
++version = "0.3.25"
+ source = "registry+https://github.com/rust-lang/crates.io-index"
+-checksum = "dcf128d1287d2ea9d80910b5f1120d0b8eede3fbf1abe91c40d39ea7d51e6fda"
++checksum = "fe834bc780604f4674073badbad26d7219cadfb4a2275802db12cbae17498401"
+ 
+ [[package]]
+ name = "rustc_version"