diff --git a/package-lock.json b/package-lock.json
index c10878a3..141b85b0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
 			"devDependencies": {
 				"@biomejs/biome": "2.2.4",
 				"@types/node": "22.18.6",
-				"tsdown": "0.15.3",
+				"tsdown": "0.15.4",
 				"typescript": "5.9.2"
 			}
 		},
@@ -864,9 +864,9 @@
 			}
 		},
 		"node_modules/rolldown-plugin-dts": {
-			"version": "0.16.6",
-			"resolved": "https://registry.npmjs.org/rolldown-plugin-dts/-/rolldown-plugin-dts-0.16.6.tgz",
-			"integrity": "sha512-OPQKAft45efpjU3ppcI9GyRHAT0otTIdMv0gcoBlcR9B3QssZvTFH6zbT3Ij5x+7ymX5TCPyHb+VIkRYTJrTaA==",
+			"version": "0.16.8",
+			"resolved": "https://registry.npmjs.org/rolldown-plugin-dts/-/rolldown-plugin-dts-0.16.8.tgz",
+			"integrity": "sha512-lsx7yrYA0ZXfARLEcPKgHIw8DX4fLQOhmMChgZbn5eFhqibY2Bav1+/Yn5WNm+ATtw+cefXYgEYO/7njeHsgAA==",
 			"dev": true,
 			"license": "MIT",
 			"dependencies": {
@@ -956,9 +956,9 @@
 			}
 		},
 		"node_modules/tsdown": {
-			"version": "0.15.3",
-			"resolved": "https://registry.npmjs.org/tsdown/-/tsdown-0.15.3.tgz",
-			"integrity": "sha512-51p2z1F3GBAG9+9J+BNo6rYCvajZ9TAGtFMq/hCwjhvxFbzJ/Py4SHmLNltbraR4QFepW694cZwab33Nb7H2Ew==",
+			"version": "0.15.4",
+			"resolved": "https://registry.npmjs.org/tsdown/-/tsdown-0.15.4.tgz",
+			"integrity": "sha512-aoFE8disBg8BgYcOgradr/5Yd+QDBRQ+6z8mXo/Ib7+GIaJwJsI5l/ppve05CZGcSDqwdhF4gdrA0HPHBtbBqA==",
 			"dev": true,
 			"license": "MIT",
 			"dependencies": {
@@ -970,7 +970,7 @@
 				"empathic": "^2.0.0",
 				"hookable": "^5.5.3",
 				"rolldown": "latest",
-				"rolldown-plugin-dts": "^0.16.5",
+				"rolldown-plugin-dts": "^0.16.7",
 				"semver": "^7.7.2",
 				"tinyexec": "^1.0.1",
 				"tinyglobby": "^0.2.15",
diff --git a/package.json b/package.json
index aa066603..fe2127e2 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
 	"devDependencies": {
 		"@biomejs/biome": "2.2.4",
 		"@types/node": "22.18.6",
-		"tsdown": "0.15.3",
+		"tsdown": "0.15.4",
 		"typescript": "5.9.2"
 	},
 	"publishConfig": {