diff --git a/src/schema/effect/option.ts b/src/schema/effect/option.ts
index 53b6abf..98ff4bc 100644
--- a/src/schema/effect/option.ts
+++ b/src/schema/effect/option.ts
@@ -4,17 +4,17 @@ import { z } from "zod"
 
 
 export const option = {
-    option: <S extends z.ZodSchema>(schema: S) =>
+    option: <S extends z.ZodTypeAny>(schema: S) =>
         z.union([option.some(schema), option.none(schema)]),
 
-    some: <S extends z.ZodSchema>(schema: S) => z
+    some: <S extends z.ZodTypeAny>(schema: S) => z
         .custom<Option.Some<z.output<S>>>(v => Option.isOption(v) && Option.isSome(v), "Not an Option")
         .pipe(z.object({ value: schema }).passthrough())
         .transform<Option.Some<z.output<S>>>(identity),
 
-    none: <S extends z.ZodSchema | unknown = unknown>(_schema?: S) =>
+    none: <S extends z.ZodTypeAny | unknown = unknown>(_schema?: S) =>
         z.custom<Option.None<
-            S extends z.ZodSchema
+            S extends z.ZodTypeAny
                 ? z.output<S>
                 : unknown
         >>(v => Option.isOption(v) && Option.isNone(v), "Not an Option"),