diff --git a/adyya-pkgs/gts.nix b/adyya-pkgs/gts.nix
index 9c18d8a..4316b14 100644
--- a/adyya-pkgs/gts.nix
+++ b/adyya-pkgs/gts.nix
@@ -12,7 +12,7 @@
 
   web-assets = fetchurl {
     url = "https://github.com/${owner}/${repo}/releases/download/v${version}/${repo}_${version}_web-assets.tar.gz";
-    hash = "";
+    hash = "sha256-esip1xGB0NroYRlKLNEs/o3J2G2nQyOIZTdDpVuY5Ag=";
   };
 in
   buildGoModule rec {
@@ -22,7 +22,7 @@ in
     src = fetchFromGitHub {
       inherit owner repo;
       rev = "refs/tags/v${version}";
-      hash = "";
+      hash = "sha256-OikJkTc2UK74eGy8AjEAk8cyRL57QReM0J6tXr9EAjw=";
     };
 
     vendorHash = null;