diff --git a/pkgs/development/tools/rust/cargo-generate/default.nix b/pkgs/development/tools/rust/cargo-generate/default.nix
index 716f9e977815..f4c25a60dbc4 100644
--- a/pkgs/development/tools/rust/cargo-generate/default.nix
+++ b/pkgs/development/tools/rust/cargo-generate/default.nix
@@ -11,16 +11,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "cargo-generate";
-  version = "0.21.1";
+  version = "0.21.3";
 
   src = fetchFromGitHub {
     owner = "cargo-generate";
     repo = "cargo-generate";
     rev = "v${version}";
-    sha256 = "sha256-Pza1MK5yWpuNfaaFAJy5/Pf+t0TN1Hzc5wKcpmMpEf0=";
+    sha256 = "sha256-1F/865UgdqwfpITFhXCuL7CmducL7w0lVDyfui9UzjU=";
   };
 
-  cargoHash = "sha256-b6WfsDTAZgxA977JhdlafE+POPvMLl8Z7CzEf+L2+Us=";
+  cargoHash = "sha256-szPO1V09EThpo2N03Ll+ZJUpvjp2b+/C/sviOzFfG+k=";
 
   nativeBuildInputs = [ pkg-config ];