diff --git a/pkgs/tools/misc/watchexec/default.nix b/pkgs/tools/misc/watchexec/default.nix
index f7b19368581e..d1fa01a3bdf0 100644
--- a/pkgs/tools/misc/watchexec/default.nix
+++ b/pkgs/tools/misc/watchexec/default.nix
@@ -2,16 +2,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "watchexec";
-  version = "1.20.6";
+  version = "1.21.1";
 
   src = fetchFromGitHub {
     owner = pname;
     repo = pname;
-    rev = "cli-v${version}";
-    sha256 = "sha256-IF0VnFh3UeJ6pB/DvwlKXzivZqRYzOE4/39qHNcPVcc=";
+    rev = "v${version}";
+    sha256 = "sha256-RwzbPMSQqEdsJ+EEZBP8Tn8AueLmvDJcPFzdFg1/bro=";
   };
 
-  cargoSha256 = "sha256-9XUZL34yHNIOq9Z9xP2+h8C4KUMkl8wAZbKnzppn300=";
+  cargoSha256 = "sha256-xugAMfg9S/gGtiry78xX6JaSHWlFofo2qZaBjh0fHec=";
 
   nativeBuildInputs = [ installShellFiles ];
 
@@ -21,6 +21,10 @@ rustPlatform.buildRustPackage rec {
 
   checkFlags = [ "--skip=help" "--skip=help_short" ];
 
+  postPatch = ''
+    rm .cargo/config
+  '';
+
   postInstall = ''
     installManPage doc/watchexec.1
     installShellCompletion --zsh --name _watchexec completions/zsh