diff --git a/pkgs/applications/networking/cluster/octant/default.nix b/pkgs/applications/networking/cluster/octant/default.nix
index 734a1eb3ac3..6f97be468f5 100644
--- a/pkgs/applications/networking/cluster/octant/default.nix
+++ b/pkgs/applications/networking/cluster/octant/default.nix
@@ -1,27 +1,27 @@
 { lib, stdenv, fetchzip }:
 
-let
-  inherit (stdenv.hostPlatform) system;
-  suffix = {
-    x86_64-linux = "Linux-64bit";
-    aarch64-linux = "Linux-arm64";
-    x86_64-darwin = "macOS-64bit";
-  }.${system} or (throw "Unsupported system: ${system}");
-  baseurl = "https://github.com/vmware-tanzu/octant/releases/download";
-  fetchsrc = version: sha256: fetchzip {
-      url = "${baseurl}/v${version}/octant_${version}_${suffix}.tar.gz";
-      sha256 = sha256."${system}";
-    };
-in
 stdenv.mkDerivation rec {
   pname = "octant";
-  version = "0.18.0";
+  version = "0.19.0";
 
-  src = fetchsrc version {
-    x86_64-linux = "sha256-D/pHOXR7XQoJCGqUep1lBAY4239HH35m+evFd21pcK0=";
-    aarch64-linux = "sha256-aL1axz3ebqrKQ3xK2UgDMQ+o6ZKgIvwy6Phici7WT2c=";
-    x86_64-darwin = "sha256-MFxOAAEnLur0LJJNU0SSlO+bH4f18zOfZNA49fKEQEw=";
-  };
+  src =
+    let
+      inherit (stdenv.hostPlatform) system;
+      suffix = {
+        x86_64-linux = "Linux-64bit";
+        aarch64-linux = "Linux-arm64";
+        x86_64-darwin = "macOS-64bit";
+      }.${system} or (throw "Unsupported system: ${system}");
+      fetchsrc = version: sha256: fetchzip {
+        url = "https://github.com/vmware-tanzu/octant/releases/download/v${version}/octant_${version}_${suffix}.tar.gz";
+        sha256 = sha256.${system};
+      };
+    in
+    fetchsrc version {
+      x86_64-linux = "sha256-TKvUBof4TLcHr9hg6AOLjVd1NcAX9HHVuuABdFKRNQA=";
+      aarch64-linux = "sha256-BJb7h6kJZ3QhdlEqNHkiFp91uYLXzYHvKftxEAhjY38=";
+      x86_64-darwin = "sha256-Ig98IqLmlN9D4iXrP9SXYwTrQOvbtQ/tQW+uEmntm+I=";
+    };
 
   dontConfigure = true;
   dontBuild = true;