diff --git a/pkgs/by-name/ko/kool/package.nix b/pkgs/by-name/ko/kool/package.nix
index e0163bc22896..a0d8ceefeb91 100644
--- a/pkgs/by-name/ko/kool/package.nix
+++ b/pkgs/by-name/ko/kool/package.nix
@@ -8,13 +8,13 @@
 
 buildGoModule rec {
   pname = "kool";
-  version = "3.5.2";
+  version = "3.5.3";
 
   src = fetchFromGitHub {
     owner = "kool-dev";
     repo = "kool";
     rev = version;
-    hash = "sha256-yUJbuMOLEa9LVRltskSwD0XBdmwwLcEaLYUHsSQOiCk=";
+    hash = "sha256-pZ667bDyRWIrImBNHyhkOGl/22gjHKX6KsVSTckS1U4=";
   };
 
   vendorHash = "sha256-IqUkIf0uk4iUTedTO5xRzjmJwHS+p6apo4E0WEEU6cc=";