diff --git a/.tangled/workflows/test.yml b/.tangled/workflows/test.yml
index 42b571b..59baf40 100644
--- a/.tangled/workflows/test.yml
+++ b/.tangled/workflows/test.yml
@@ -9,9 +9,10 @@ engine: "nixery"
 
 dependencies:
   nixpkgs:
-    - gleam
     - erlang
     - rebar3
+  nixpkgs/nixpkgs-unstable:
+    - gleam
 
 steps:
   - name: "Download dependencies"