diff --git a/pkgs/applications/blockchains/polkadot/default.nix b/pkgs/applications/blockchains/polkadot/default.nix
index 31c610f255fe..443fe36143c5 100644
--- a/pkgs/applications/blockchains/polkadot/default.nix
+++ b/pkgs/applications/blockchains/polkadot/default.nix
@@ -10,13 +10,13 @@
 }:
 rustPlatform.buildRustPackage rec {
   pname = "polkadot";
-  version = "0.9.32";
+  version = "0.9.33";
 
   src = fetchFromGitHub {
     owner = "paritytech";
     repo = "polkadot";
     rev = "v${version}";
-    sha256 = "sha256-bE7PzvkHKAP/nqNkoBMTGvZZwmf8YY+cGnJ2EM/2xAs=";
+    sha256 = "sha256-vAFGLcsbGuoaNtxtEIHSeX00nsULJROCEhaMv5IEcp4=";
 
     # the build process of polkadot requires a .git folder in order to determine
     # the git commit hash that is being built and add it to the version string.
@@ -32,7 +32,7 @@ rustPlatform.buildRustPackage rec {
     '';
   };
 
-  cargoSha256 = "sha256-NI50KFXvQgUV+G1l5D2gnAo1EohnCpQWlFCZ0iP2CVQ=";
+  cargoSha256 = "sha256-SZUkgtI/4kA5iWzalmGo5KXRHXKgdeCo2SSCVF66p5E=";
 
   buildInputs = lib.optionals stdenv.isDarwin [ Security ];