diff --git a/package-lock.json b/package-lock.json
index 6232679d..b5daeb4c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
 			"devDependencies": {
 				"@biomejs/biome": "1.9.4",
 				"@types/node": "22.15.21",
-				"tsdown": "0.11.12",
+				"tsdown": "0.12.0",
 				"typescript": "5.8.3"
 			}
 		},
@@ -730,9 +730,9 @@
 			}
 		},
 		"node_modules/get-tsconfig": {
-			"version": "4.10.0",
-			"resolved": "https://registry.npmjs.org/get-tsconfig/-/get-tsconfig-4.10.0.tgz",
-			"integrity": "sha512-kGzZ3LWWQcGIAmg6iWvXn0ei6WDtV26wzHRMwDSzmAbcXrTEXxHy6IehI6/4eT6VRKyMP1eF1VqwrVUmE/LR7A==",
+			"version": "4.10.1",
+			"resolved": "https://registry.npmjs.org/get-tsconfig/-/get-tsconfig-4.10.1.tgz",
+			"integrity": "sha512-auHyJ4AgMz7vgS8Hp3N6HXSmlMdUyhSUrfBF16w153rxtLIEOE+HGqaBppczZvnHLqQJfiHotCYpNhl0lUROFQ==",
 			"dev": true,
 			"license": "MIT",
 			"dependencies": {
@@ -879,9 +879,9 @@
 			}
 		},
 		"node_modules/rolldown-plugin-dts": {
-			"version": "0.13.3",
-			"resolved": "https://registry.npmjs.org/rolldown-plugin-dts/-/rolldown-plugin-dts-0.13.3.tgz",
-			"integrity": "sha512-l0n0YsO9NI9Ve5Njmb1k2AYoDsgO8go1UEkXYnRgxoJokJXAK1V486XvOMxDpC8FcfgJwfQe71qmwpBjZXUOow==",
+			"version": "0.13.4",
+			"resolved": "https://registry.npmjs.org/rolldown-plugin-dts/-/rolldown-plugin-dts-0.13.4.tgz",
+			"integrity": "sha512-2+3GnKj6A3wKfyomUKfONRHjgKE85X4PcgW1b84KkHvuN3mUuUiOMseLKafFLMF6NkqQPAJ3FErwtC4HuwIswg==",
 			"dev": true,
 			"license": "MIT",
 			"dependencies": {
@@ -892,7 +892,7 @@
 				"birpc": "^2.3.0",
 				"debug": "^4.4.1",
 				"dts-resolver": "^2.0.1",
-				"get-tsconfig": "^4.10.0"
+				"get-tsconfig": "^4.10.1"
 			},
 			"engines": {
 				"node": ">=20.18.0"
@@ -952,9 +952,9 @@
 			}
 		},
 		"node_modules/tsdown": {
-			"version": "0.11.12",
-			"resolved": "https://registry.npmjs.org/tsdown/-/tsdown-0.11.12.tgz",
-			"integrity": "sha512-rPFmP79Tx+KO8s68OsF5q0sDNjZ2gA98AFf0vrtbaySIzilSGBtkIVhLPfwC/QBnvySyMcEtliteGYzDHQtZAw==",
+			"version": "0.12.0",
+			"resolved": "https://registry.npmjs.org/tsdown/-/tsdown-0.12.0.tgz",
+			"integrity": "sha512-LNVFCCxK97xmagqooDnLX+1KLx7GxBb5BHfy3g+A0l6c8bNjsbcfxE3RvSsp3oX+YGMU2D6pD8VrwcHSXZkUMA==",
 			"dev": true,
 			"license": "MIT",
 			"dependencies": {
@@ -966,7 +966,7 @@
 				"empathic": "^1.1.0",
 				"hookable": "^5.5.3",
 				"rolldown": "1.0.0-beta.9",
-				"rolldown-plugin-dts": "^0.13.2",
+				"rolldown-plugin-dts": "^0.13.4",
 				"semver": "^7.7.2",
 				"tinyexec": "^1.0.1",
 				"tinyglobby": "^0.2.13",
diff --git a/package.json b/package.json
index 1ff12845..f579ae6c 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
 	"devDependencies": {
 		"@biomejs/biome": "1.9.4",
 		"@types/node": "22.15.21",
-		"tsdown": "0.11.12",
+		"tsdown": "0.12.0",
 		"typescript": "5.8.3"
 	},
 	"publishConfig": {