diff --git a/repos/emacs/test.nix b/repos/emacs/test.nix
index 1fc3ac5b0..7b517c33e 100644
--- a/repos/emacs/test.nix
+++ b/repos/emacs/test.nix
@@ -10,4 +10,5 @@ in {
   emacsUnstable = mkTestBuild pkgs.emacsUnstable;
   emacsGit = mkTestBuild pkgs.emacsGit;
   emacsPgtk = mkTestBuild pkgs.emacsPgtk;
+  emacsIgc = mkTestBuild pkgs.emacs-igc;
 }