1 files changed, 4 insertions, 4 deletions
diff --git a/pkgs/applications/blockchains/polkadot/default.nix b/pkgs/applications/blockchains/polkadot/default.nix
index 86b01481839e0..f391ccac79044 100644
--- a/pkgs/applications/blockchains/polkadot/default.nix
+++ b/pkgs/applications/blockchains/polkadot/default.nix
@@ -11,13 +11,13 @@
 }:
 rustPlatform.buildRustPackage rec {
   pname = "polkadot";
-  version = "1.2.0";
+  version = "1.3.0";
 
   src = fetchFromGitHub {
     owner = "paritytech";
     repo = "polkadot-sdk";
     rev = "polkadot-v${version}";
-    hash = "sha256-Xgu1BlSGDAj79TKSM9vCbzBT4quOMBd6evImkkKycH4=";
+    hash = "sha256-7hCQdJHzuPQTNZFDGEZG/Q6G/Gh/gJANV5uiL/d6Pas=";
 
     # 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.
@@ -41,8 +41,8 @@ rustPlatform.buildRustPackage rec {
   cargoLock = {
     lockFile = ./Cargo.lock;
     outputHashes = {
-      "ark-secret-scalar-0.0.2" = "sha256-Tcrz2tT561ICAJzMgarSTOnaUEPeTFKZzE7rkdL3eUQ=";
-      "common-0.1.0" = "sha256-dnZKDx3Rw5cd4ejcilo3Opsn/1XK9yWGxhceuwvBE0o=";
+      "ark-secret-scalar-0.0.2" = "sha256-GROzlo+1QQ8wd090/esQRmaV8KWjNEfUlFlldnME28A=";
+      "common-0.1.0" = "sha256-ru++KG2ZZqa/wDGnKF/VfWnazHRSpOAD0WYb7rHlpCU=";
       "fflonk-0.1.0" = "sha256-MNvlePHQdY8DiOq6w7Hc1pgn7G58GDTeghCKHJdUy7E=";
     };
   };