diff --git a/.tangled/workflows/build.yml b/.tangled/workflows/build.yml
index fe67e8e..f63d5e8 100644
--- a/.tangled/workflows/build.yml
+++ b/.tangled/workflows/build.yml
@@ -5,7 +5,7 @@ when:
 engine: "nixery"
 
 dependencies:
-  nixpkgs:
+  nixpkgs/nixpkgs-unstable:
     - zig_0_16
 
 steps:
diff --git a/.tangled/workflows/fmt.yml b/.tangled/workflows/fmt.yml
index 9986518..8112347 100644
--- a/.tangled/workflows/fmt.yml
+++ b/.tangled/workflows/fmt.yml
@@ -5,7 +5,7 @@ when:
 engine: "nixery"
 
 dependencies:
-  nixpkgs:
+  nixpkgs/nixpkgs-unstable:
     - zig_0_16
 
 steps: