diff --git a/package-lock.json b/package-lock.json
index 3154cb44..959209ef 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
 			"devDependencies": {
 				"@biomejs/biome": "2.1.4",
 				"@types/node": "22.17.0",
-				"tsdown": "0.13.3",
+				"tsdown": "0.13.4",
 				"typescript": "5.9.2"
 			}
 		},
@@ -852,9 +852,9 @@
 			}
 		},
 		"node_modules/rolldown-plugin-dts": {
-			"version": "0.15.3",
-			"resolved": "https://registry.npmjs.org/rolldown-plugin-dts/-/rolldown-plugin-dts-0.15.3.tgz",
-			"integrity": "sha512-qILn8tXV828UpzgSN7R3KeCl1lfc2eRhPJDGO78C6PztEQH51gBTG3tyQDIVIAYY58afhOsWW/zTYpfewTGCdg==",
+			"version": "0.15.6",
+			"resolved": "https://registry.npmjs.org/rolldown-plugin-dts/-/rolldown-plugin-dts-0.15.6.tgz",
+			"integrity": "sha512-AxQlyx3Nszob5QLmVUjz/VnC5BevtUo0h8tliuE0egddss7IbtCBU7GOe7biRU0fJNRQJmQjPKXFcc7K98j3+w==",
 			"dev": true,
 			"license": "MIT",
 			"dependencies": {
@@ -939,9 +939,9 @@
 			}
 		},
 		"node_modules/tsdown": {
-			"version": "0.13.3",
-			"resolved": "https://registry.npmjs.org/tsdown/-/tsdown-0.13.3.tgz",
-			"integrity": "sha512-3ujweLJB70DdWXX3v7xnzrFhzW1F/6/99XhGeKzh1UCmZ+ttFmF7Czha7VaunA5Dq/u+z4aNz3n4GH748uivYg==",
+			"version": "0.13.4",
+			"resolved": "https://registry.npmjs.org/tsdown/-/tsdown-0.13.4.tgz",
+			"integrity": "sha512-2uf0Xo170gmxwJEOgfb7V9y3k+Uq/dQJx4xfXYova7pqqTw9ZjxSvEeq7Y6l+Ys54GlBrRKvxKoEyNhuUcoCTg==",
 			"dev": true,
 			"license": "MIT",
 			"dependencies": {
@@ -953,7 +953,7 @@
 				"empathic": "^2.0.0",
 				"hookable": "^5.5.3",
 				"rolldown": "^1.0.0-beta.31",
-				"rolldown-plugin-dts": "^0.15.3",
+				"rolldown-plugin-dts": "^0.15.6",
 				"semver": "^7.7.2",
 				"tinyexec": "^1.0.1",
 				"tinyglobby": "^0.2.14",
diff --git a/package.json b/package.json
index 51fdcb09..c042f3d0 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
 	"devDependencies": {
 		"@biomejs/biome": "2.1.4",
 		"@types/node": "22.17.0",
-		"tsdown": "0.13.3",
+		"tsdown": "0.13.4",
 		"typescript": "5.9.2"
 	},
 	"publishConfig": {