diff --git a/pkgs/development/compilers/gleam/default.nix b/pkgs/development/compilers/gleam/default.nix
index 3f704b525722..30d4882a50be 100644
--- a/pkgs/development/compilers/gleam/default.nix
+++ b/pkgs/development/compilers/gleam/default.nix
@@ -2,13 +2,13 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "gleam";
-  version = "0.20.1";
+  version = "0.21.0";
 
   src = fetchFromGitHub {
     owner = "gleam-lang";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-AK+eb0eJyI7ALn7sg0wz4GzHthxrJWd1PVT5bL9LKWA=";
+    sha256 = "sha256-BI8qEaNasNxcMJ7jJYKyFP3ypgh+P39F9tAzzqxA4BI=";
   };
 
   nativeBuildInputs = [ pkg-config ];
@@ -16,7 +16,7 @@ rustPlatform.buildRustPackage rec {
   buildInputs = [ openssl ] ++
     lib.optionals stdenv.isDarwin [ Security libiconv ];
 
-  cargoSha256 = "sha256-kFTAPbP42sbhsvP069ua0ys1Dw7W+Gdsv2YaGrzorIk=";
+  cargoSha256 = "sha256-avwdgX7FaBIOMumJknWBLc50JgtzGpM6S+Du7U/FE6Q=";
 
   meta = with lib; {
     description = "A statically typed language for the Erlang VM";