diff --git a/pkgs/development/tools/rust/cargo-lambda/default.nix b/pkgs/development/tools/rust/cargo-lambda/default.nix
index 3c4ad5f0a714..f49aea6ba22c 100644
--- a/pkgs/development/tools/rust/cargo-lambda/default.nix
+++ b/pkgs/development/tools/rust/cargo-lambda/default.nix
@@ -16,16 +16,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "cargo-lambda";
-  version = "1.6.2";
+  version = "1.6.3";
 
   src = fetchFromGitHub {
     owner = pname;
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-21p9bo+kfqVrRAxVSuZ24XaHDU7XkIIhGXjHLUsGQOg=";
+    hash = "sha256-GiV5yjlzU4iU4BJ8Fq8I9uOchVCF2UGb+WLMMr7n8pc=";
   };
 
-  cargoHash = "sha256-5AzeqJjs8Ee6ltXnXMZU47fXt1THsSERxCaT22zjK6g=";
+  cargoHash = "sha256-MVkzUd+JXr05Cw+EpYzgh909jnvn3QPKAUApAuqhy6Y=";
 
   nativeCheckInputs = [ cacert ];