diff --git a/nix/tests/default.nix b/nix/tests/default.nix
index 4c13c921..3aa881c8 100644
--- a/nix/tests/default.nix
+++ b/nix/tests/default.nix
@@ -12,6 +12,7 @@ in {
         # Programs needed for tests
         jq
         kitty
+        wl-copy
         xorg.xeyes
       ];