diff --git a/packages/server/src/Services.ts b/packages/server/src/Services.ts
index 7e72e46..1cd6c89 100644
--- a/packages/server/src/Services.ts
+++ b/packages/server/src/Services.ts
@@ -8,11 +8,11 @@ type TServices =
 export interface Services extends TServices {}
 
 export module Services {
-    export const Live = Layer.mergeAll(
+    export const Live: Layer.Layer<Services, never, never> = Layer.mergeAll(
         TodoRepository.Live
-    ) satisfies Layer.Layer<Services, never, never>
+    )
 
-    export const Dev = Layer.mergeAll(
+    export const Dev: Layer.Layer<Services, never, never> = Layer.mergeAll(
         TodoRepository.Live
-    ) satisfies Layer.Layer<Services, never, never>
+    )
 }