diff --git a/UnityLive2DExtractor/packages.config b/UnityLive2DExtractor/packages.config
index a9de8b5..5eaa239 100644
--- a/UnityLive2DExtractor/packages.config
+++ b/UnityLive2DExtractor/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="12.0.3" targetFramework="net472" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net472" />
 </packages>
\ No newline at end of file