diff --git a/pkgs/tools/misc/dotter/default.nix b/pkgs/tools/misc/dotter/default.nix
index fdfabf8f778a..5ca26be420ea 100644
--- a/pkgs/tools/misc/dotter/default.nix
+++ b/pkgs/tools/misc/dotter/default.nix
@@ -2,16 +2,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "dotter";
-  version = "0.12.9";
+  version = "0.12.10";
 
   src = fetchFromGitHub {
     owner = "SuperCuber";
     repo = "dotter";
-    rev = version;
-    sha256 = "0rxinrm110i5cbkl7c7vgk7dl0x79cg6g23bdjixsg7h0572c2gi";
+    rev = "v${version}";
+    hash = "sha256-uSM7M//3LHzdLSOruTyu46sp1a6LeodT2cCEFsuoPW4=";
   };
 
-  cargoSha256 = "0fr2dvzbpwqvf98wwrxv76nwbrv4m9ppx7br4x78gm8dhf2nj4zx";
+  cargoHash = "sha256-JpMEC2HjAQLQiXHSE6L0HBDc0vLhd465wDK2+35aBXA=";
 
   checkInputs = [ which ];