diff --git a/CHANGELOG.md b/CHANGELOG.md
index 911d383..7eb84e6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## [0.8.2] - 2024-XX-XX
+
+### Changed
+
+- `z` "slow types" workaround attempt: `SubsetOfZ`
+
 ## [0.8.1] - 2024-07-11
 
 ### Added
diff --git a/deps.ts b/deps.ts
index 43da735..6056b22 100644
--- a/deps.ts
+++ b/deps.ts
@@ -36,9 +36,44 @@ export { type OpenAPIObjectConfig } from "npm:@asteasolutions/zod-to-openapi@^7.
 // must import from `npm:` instead of from `deno.land` to be compatible with `@asteasolutions/zod-to-openapi`
 import { z as slowTypedZ } from "npm:zod@^3.23.8";
 extendZodWithOpenApi(slowTypedZ);
-type ExplicitZ = Omit<typeof slowTypedZ, "">;
+type SubsetOfZ = Pick<
+  typeof slowTypedZ,
+  | "string"
+  | "object"
+  | "array"
+  | "number"
+  | "boolean"
+  | "date"
+  | "any"
+  | "enum"
+  | "function"
+  | "lazy"
+  | "void"
+  | "promise"
+  | "null"
+  | "never"
+  | "map"
+  | "bigint"
+  | "symbol"
+  | "strictObject"
+  | "transformer"
+  | "literal"
+  | "coerce"
+  | "custom"
+  | "util"
+  | "tuple"
+  | "record"
+  | "preprocess"
+  | "nan"
+  | "datetimeRegex"
+  | "discriminatedUnion"
+  | "intersection"
+  | "pipeline"
+  | "ZodSchema"
+  | "Schema"
+>;
 /**
  * entry to the `Zod` API, enhanced with `@asteasolutions/zod-to-openapi`;
  * for usage documentation please refer to https://github.com/asteasolutions/zod-to-openapi?tab=readme-ov-file#purpose-and-quick-example
  */
-export const z: ExplicitZ = slowTypedZ;
+export const z: SubsetOfZ = slowTypedZ;
diff --git a/jsr.json b/jsr.json
index 721b274..df63a0f 100644
--- a/jsr.json
+++ b/jsr.json
@@ -1,6 +1,6 @@
 {
   "name": "@dklab/oak-routing-ctrl",
-  "version": "0.8.1",
+  "version": "0.8.2-alpha.1",
   "exports": {
     ".": "./mod.ts",
     "./mod": "./mod.ts"