diff --git a/pkgs/by-name/ko/kopia-ui/package.nix b/pkgs/by-name/ko/kopia-ui/package.nix
index 989146e16853..7957563a8c65 100644
--- a/pkgs/by-name/ko/kopia-ui/package.nix
+++ b/pkgs/by-name/ko/kopia-ui/package.nix
@@ -10,12 +10,12 @@
   kopia,
 }:
 let
-  version = "0.20.1";
+  version = "0.21.0";
   src = fetchFromGitHub {
     owner = "kopia";
     repo = "kopia";
     tag = "v${version}";
-    hash = "sha256-hKtrHv7MQjA/AQ/frjP2tPT6zqVPPGnBxYuhWtUgIl0=";
+    hash = "sha256-M4qI8CzIIeoUqCvi8wc7s2CItPFN+1scHdwACy9vw/4=";
   };
 in
 buildNpmPackage {
@@ -24,7 +24,7 @@ buildNpmPackage {
 
   sourceRoot = "${src.name}/app";
 
-  npmDepsHash = "sha256-5gXM5aLsUsJhxbt6IKY4Sg4SBI9ATe248K1TyZThg/0=";
+  npmDepsHash = "sha256-IoPR3es5rHVOxITYCG5I3ETB/KKh5Ku8ftyR9uQH//8=";
   makeCacheWritable = true;
 
   nativeBuildInputs = [