diff --git a/package-lock.json b/package-lock.json
index cb478cc..8faa79e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@knighted/jsx",
-  "version": "1.13.0",
+  "version": "1.13.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@knighted/jsx",
-      "version": "1.13.0",
+      "version": "1.13.1",
       "license": "MIT",
       "dependencies": {
         "@napi-rs/wasm-runtime": "^1.1.1",
diff --git a/package.json b/package.json
index 888adc1..236164a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@knighted/jsx",
-  "version": "1.13.0",
+  "version": "1.13.1",
   "description": "Runtime JSX tagged template that renders DOM or React trees anywhere with or without a build step.",
   "keywords": [
     "jsx runtime",
diff --git a/src/debug/index.ts b/src/debug/index.ts
index 7067e0b..6bd4eea 100644
--- a/src/debug/index.ts
+++ b/src/debug/index.ts
@@ -3,4 +3,4 @@ import { enableJsxDebugDiagnostics } from './diagnostics.js'
 enableJsxDebugDiagnostics({ mode: 'always' })
 
 export { jsx } from '../jsx.js'
-export type { JsxRenderable, JsxComponent } from '../jsx.js'
+export type { JsxRenderable, JsxChildren, JsxComponent } from '../jsx.js'
diff --git a/src/index.ts b/src/index.ts
index 8f7b33c..27cf37e 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,2 +1,2 @@
 export { jsx } from './jsx.js'
-export type { JsxRenderable, JsxComponent } from './jsx.js'
+export type { JsxRenderable, JsxChildren, JsxComponent } from './jsx.js'
diff --git a/src/internal/jsx-types.ts b/src/internal/jsx-types.ts
index 7821ffd..b7150dc 100644
--- a/src/internal/jsx-types.ts
+++ b/src/internal/jsx-types.ts
@@ -9,7 +9,9 @@ export type JsxRenderable =
   | undefined
   | Iterable<JsxRenderable>
 
+export type JsxChildren = JsxRenderable | JsxRenderable[]
+
 export type JsxComponent<Props = Record<string, unknown>> = {
-  (props: Props & { children?: JsxRenderable | JsxRenderable[] }): JsxRenderable
+  (props: Props & { children?: JsxChildren }): JsxRenderable
   displayName?: string
 }
diff --git a/src/jsx.ts b/src/jsx.ts
index 2cb1589..40b892b 100644
--- a/src/jsx.ts
+++ b/src/jsx.ts
@@ -42,7 +42,7 @@ import type { JsxComponent, JsxRenderable } from './internal/jsx-types.js'
 
 type JsxContext = TemplateContext<JsxComponent>
 type ElementWithIndex = Element & Record<string, unknown>
-export type { JsxRenderable, JsxComponent } from './internal/jsx-types.js'
+export type { JsxRenderable, JsxChildren, JsxComponent } from './internal/jsx-types.js'
 
 const ensureDomAvailable = () => {
   if (typeof document === 'undefined' || typeof document.createElement !== 'function') {
diff --git a/src/node/debug/index.ts b/src/node/debug/index.ts
index 6c70c81..e037d33 100644
--- a/src/node/debug/index.ts
+++ b/src/node/debug/index.ts
@@ -6,4 +6,4 @@ enableJsxDebugDiagnostics({ mode: 'always' })
 ensureNodeDom()
 
 export const jsx = baseJsx
-export type { JsxRenderable, JsxComponent } from '../../jsx.js'
+export type { JsxRenderable, JsxChildren, JsxComponent } from '../../jsx.js'
diff --git a/src/node/index.ts b/src/node/index.ts
index ecc7b6d..b16aee4 100644
--- a/src/node/index.ts
+++ b/src/node/index.ts
@@ -4,4 +4,4 @@ import { jsx as baseJsx } from '../jsx.js'
 ensureNodeDom()
 
 export const jsx = baseJsx
-export type { JsxRenderable, JsxComponent } from '../jsx.js'
+export type { JsxRenderable, JsxChildren, JsxComponent } from '../jsx.js'
diff --git a/src/react/index.ts b/src/react/index.ts
index 6512956..4447cbf 100644
--- a/src/react/index.ts
+++ b/src/react/index.ts
@@ -1,5 +1,6 @@
 export { reactJsx } from './react-jsx.js'
 export type {
+  ReactJsxChildren,
   ReactJsxComponent,
   ReactJsxDomAttributes,
   ReactJsxEventHandler,
diff --git a/src/react/react-jsx.ts b/src/react/react-jsx.ts
index 9d58d2f..bf00a18 100644
--- a/src/react/react-jsx.ts
+++ b/src/react/react-jsx.ts
@@ -36,6 +36,7 @@ export type ReactJsxComponent<Props = Record<string, unknown>> = ComponentType<
 >
 
 export type ReactJsxRenderable = ReactNode
+export type ReactJsxChildren = ReactJsxRenderable | ReactJsxRenderable[]
 export type ReactJsxRef<T> = Ref<T>
 export type ReactJsxEventHandler<E extends SyntheticEvent> = EventHandler<E>
 export type ReactJsxDomAttributes<T = unknown> = DOMAttributes<T>
diff --git a/test/jsx.types.test-d.ts b/test/jsx.types.test-d.ts
new file mode 100644
index 0000000..6c6ecb9
--- /dev/null
+++ b/test/jsx.types.test-d.ts
@@ -0,0 +1,23 @@
+/*
+ * This file is a type-only test suite: declarations are intentionally "unused"
+ * so TypeScript will fail the build if the jsx typings drift. Linting is
+ * secondary here, so we disable unused-var checks.
+ */
+/* eslint-disable @typescript-eslint/no-unused-vars */
+import type { JsxChildren, JsxComponent, JsxRenderable } from '../src/index.js'
+
+type Equal<A, B> =
+  (<T>() => T extends A ? 1 : 2) extends <T>() => T extends B ? 1 : 2 ? true : false
+
+type Expect<T extends true> = T
+
+type ChildrenAliasMatchesRenderableUnion = Expect<
+  Equal<JsxChildren, JsxRenderable | JsxRenderable[]>
+>
+
+type DemoProps = { label: string }
+type DemoComponent = JsxComponent<DemoProps>
+type DemoComponentProps = Parameters<DemoComponent>[0]
+type ComponentChildrenUsesAlias = Expect<
+  Equal<DemoComponentProps['children'], JsxChildren | undefined>
+>
diff --git a/test/react-jsx.types.test-d.ts b/test/react-jsx.types.test-d.ts
index 898d635..e77307b 100644
--- a/test/react-jsx.types.test-d.ts
+++ b/test/react-jsx.types.test-d.ts
@@ -6,6 +6,7 @@
 /* eslint-disable @typescript-eslint/no-unused-vars */
 import type * as React from 'react'
 import type {
+  ReactJsxChildren,
   ReactJsxComponent,
   ReactJsxDomAttributes,
   ReactJsxEventHandler,
@@ -52,3 +53,6 @@ type DemoPropsArePropsWithChildren = Expect<
 >
 
 type RenderableAllowsNull = Expect<null extends ReactJsxRenderable ? true : false>
+type ReactChildrenAliasMatchesRenderableUnion = Expect<
+  Equal<ReactJsxChildren, ReactJsxRenderable | ReactJsxRenderable[]>
+>