diff --git a/pkgs/development/tools/glock/default.nix b/pkgs/development/tools/glock/default.nix
index 98813f143cb..35f7a2bfdea 100644
--- a/pkgs/development/tools/glock/default.nix
+++ b/pkgs/development/tools/glock/default.nix
@@ -19,6 +19,7 @@ buildGoPackage rec {
   meta = with stdenv.lib; {
     homepage = https://github.com/robfig/glock;
     description = "A command-line tool to lock Go dependencies to specific revisions";
+    license = licenses.mit;
     maintainers = [ maintainers.rushmorem ];
   };
 }