diff --git a/ark/attest/package.json b/ark/attest/package.json
index 934a1852c..70c2499b2 100644
--- a/ark/attest/package.json
+++ b/ark/attest/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@ark/attest",
-	"version": "0.31.0",
+	"version": "0.32.0",
 	"license": "MIT",
 	"author": {
 		"name": "David Blass",
diff --git a/ark/fs/package.json b/ark/fs/package.json
index fed2fc30b..00f8194a3 100644
--- a/ark/fs/package.json
+++ b/ark/fs/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@ark/fs",
-	"version": "0.27.0",
+	"version": "0.28.0",
 	"license": "MIT",
 	"author": {
 		"name": "David Blass",
diff --git a/ark/schema/package.json b/ark/schema/package.json
index 5f9d6d14c..cc765d349 100644
--- a/ark/schema/package.json
+++ b/ark/schema/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@ark/schema",
-	"version": "0.27.0",
+	"version": "0.28.0",
 	"license": "MIT",
 	"author": {
 		"name": "David Blass",
diff --git a/ark/type/attributes.ts b/ark/type/attributes.ts
index 203cbb7bf..aa26dff79 100644
--- a/ark/type/attributes.ts
+++ b/ark/type/attributes.ts
@@ -1,14 +1,15 @@
 import type { ArkError, ArkErrors, Morph } from "@ark/schema"
-import type {
-	anyOrNever,
-	array,
-	Brand,
-	equals,
-	Hkt,
-	intersectArrays,
-	isSafelyMappable,
-	Primitive,
-	show
+import {
+	noSuggest,
+	type anyOrNever,
+	type array,
+	type Brand,
+	type equals,
+	type Hkt,
+	type intersectArrays,
+	type isSafelyMappable,
+	type Primitive,
+	type show
 } from "@ark/util"
 import type { arkPrototypes } from "./keywords/constructors.ts"
 import type { type } from "./keywords/keywords.ts"
@@ -202,10 +203,10 @@ export type inferMorphOut<morph extends Morph> = Exclude<
 	ArkError | ArkErrors
 >
 
-declare const morphOutSymbol: unique symbol
+const isMorphOutKey = noSuggest("isMorphOut")
 
 export interface Out<o = any> {
-	[morphOutSymbol]: true
+	[isMorphOutKey]: true
 	t: o
 	introspectable: boolean
 }
@@ -216,9 +217,9 @@ export interface To<o = any> extends Out<o> {
 
 export type InferredMorph<i = any, o extends Out = Out> = (In: i) => o
 
-declare const defaultsTo: unique symbol
+const defaultsToKey = noSuggest("defaultsTo")
 
-export type Default<t = unknown, v = unknown> = { [defaultsTo]: [t, v] }
+export type Default<t = unknown, v = unknown> = { [defaultsToKey]: [t, v] }
 
 // we have to distribute over morphs to preserve the i/o relationship
 // this avoids stuff like:
diff --git a/ark/type/package.json b/ark/type/package.json
index 5c7e01898..93bb398aa 100644
--- a/ark/type/package.json
+++ b/ark/type/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "arktype",
 	"description": "TypeScript's 1:1 validator, optimized from editor to runtime",
-	"version": "2.0.0-rc.27",
+	"version": "2.0.0-rc.28",
 	"license": "MIT",
 	"author": {
 		"name": "David Blass",
diff --git a/ark/util/package.json b/ark/util/package.json
index 5965a14fe..cabc5410f 100644
--- a/ark/util/package.json
+++ b/ark/util/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@ark/util",
-	"version": "0.27.0",
+	"version": "0.28.0",
 	"license": "MIT",
 	"author": {
 		"name": "David Blass",
diff --git a/ark/util/registry.ts b/ark/util/registry.ts
index 977b79b88..b4f9c89a3 100644
--- a/ark/util/registry.ts
+++ b/ark/util/registry.ts
@@ -7,7 +7,7 @@ import { FileConstructor, objectKindOf } from "./objectKinds.ts"
 // recent node versions (https://nodejs.org/api/esm.html#json-modules).
 
 // For now, we assert this matches the package.json version via a unit test.
-export const arkUtilVersion = "0.27.0"
+export const arkUtilVersion = "0.28.0"
 
 export const initialRegistryContents = {
 	version: arkUtilVersion,