diff --git a/pkgs/by-name/go/go-cover-treemap/package.nix b/pkgs/by-name/go/go-cover-treemap/package.nix
index 9f924594b7d5..0ecd931de750 100644
--- a/pkgs/by-name/go/go-cover-treemap/package.nix
+++ b/pkgs/by-name/go/go-cover-treemap/package.nix
@@ -6,16 +6,16 @@
 
 buildGoModule (finalAttrs: {
   pname = "go-cover-treemap";
-  version = "1.4.2";
+  version = "1.5.1";
 
   src = fetchFromGitHub {
     owner = "nikolaydubina";
     repo = "go-cover-treemap";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-MSkPot8uYcr8pxsIkJh2FThVK9xpzkN9Y69KeiQnQlA=";
+    hash = "sha256-y5hy+2uqMjeACjmel16Uf0vgiMSVySdxpSDKOBuxVds=";
   };
 
-  vendorHash = "sha256-k/k+EGkuBnZFHrcWxnzLG8efWgb2i35Agf/sWbgTc4g=";
+  vendorHash = "sha256-JWeCwsPFbQWI60i60GFSQcy7MJ0nDraRb0xf1t4H8RY=";
 
   ldflags = [
     "-s"