diff --git a/pkgs/applications/blockchains/optimism/default.nix b/pkgs/applications/blockchains/optimism/default.nix
index 64d96c7c0e26..14c763e27c23 100644
--- a/pkgs/applications/blockchains/optimism/default.nix
+++ b/pkgs/applications/blockchains/optimism/default.nix
@@ -6,19 +6,19 @@
 
 buildGoModule rec {
   pname = "optimism";
-  version = "1.8.0";
+  version = "1.9.0";
 
   src = fetchFromGitHub {
     owner = "ethereum-optimism";
     repo = "optimism";
     rev = "op-node/v${version}";
-    hash = "sha256-sryXVqbAvmHIOg8osBecmU6/TIZjJvcFipimWMcHqME=";
+    hash = "sha256-TIxA+Dyxdwm3Q8U6xh7x7hBPNXmH+vVDK2lAaRFKSN0=";
     fetchSubmodules = true;
   };
 
   subPackages = [ "op-node/cmd" "op-proposer/cmd" "op-batcher/cmd" ];
 
-  vendorHash = "sha256-UQ/appKaBvHkya9RNIYvSd4E+22DDFjJgJ3g82IShNY=";
+  vendorHash = "sha256-xoflPeUeFlbMBUSas+dmBOCFOOvrBHEvYWEk7QkNW14=";
 
   buildInputs = [
     libpcap