diff --git a/package-lock.json b/package-lock.json
index 7d21ec39..c10878a3 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": "0.15.2",
+				"tsdown": "0.15.3",
 				"typescript": "5.9.2"
 			}
 		},
@@ -956,9 +956,9 @@
 			}
 		},
 		"node_modules/tsdown": {
-			"version": "0.15.2",
-			"resolved": "https://registry.npmjs.org/tsdown/-/tsdown-0.15.2.tgz",
-			"integrity": "sha512-qPbWcVnI7Ekq5p4xPiLwuS9siczCGPAyZYsAzcS1xTcFvkkZIsDbh3ejlmUoe/ypLJl5+oQ4Rbwp63Zf+eWiMw==",
+			"version": "0.15.3",
+			"resolved": "https://registry.npmjs.org/tsdown/-/tsdown-0.15.3.tgz",
+			"integrity": "sha512-51p2z1F3GBAG9+9J+BNo6rYCvajZ9TAGtFMq/hCwjhvxFbzJ/Py4SHmLNltbraR4QFepW694cZwab33Nb7H2Ew==",
 			"dev": true,
 			"license": "MIT",
 			"dependencies": {
diff --git a/package.json b/package.json
index 0b2eff19..aa066603 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
 	"devDependencies": {
 		"@biomejs/biome": "2.2.4",
 		"@types/node": "22.18.6",
-		"tsdown": "0.15.2",
+		"tsdown": "0.15.3",
 		"typescript": "5.9.2"
 	},
 	"publishConfig": {