diff --git a/.changeset/spicy-queens-compete.md b/.changeset/spicy-queens-compete.md
new file mode 100644
index 0000000..138a0a1
--- /dev/null
+++ b/.changeset/spicy-queens-compete.md
@@ -0,0 +1,5 @@
+---
+"vitepress-plugin-shiki-twoslash": patch
+---
+
+Added support for custom theme configurations
diff --git a/src/plugin.ts b/src/plugin.ts
index db109c2..fdf84b7 100644
--- a/src/plugin.ts
+++ b/src/plugin.ts
@@ -5,7 +5,7 @@ export type TwoslashConfigSettings = Prettify<
   Parameters<typeof transformAttributesToHTML>[3]
 >
 
-export async function withTwoslash(config: UserConfig<DefaultTheme.Config>) {
+export async function withTwoslash<ThemeConfig = DefaultTheme.Config>(config: UserConfig<ThemeConfig>) {
   const { setupForFile, transformAttributesToHTML } = await import(
     'remark-shiki-twoslash'
   )