diff --git a/Directory.Build.props b/Directory.Build.props
index c3c50d5b5..c95b6df16 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -1,5 +1,5 @@
 <Project>
     <PropertyGroup>
-        <LibplanetVersion>5.4.0</LibplanetVersion>
+        <LibplanetVersion>5.4.1</LibplanetVersion>
     </PropertyGroup>
 </Project>
diff --git a/Lib9c b/Lib9c
index 8714ad490..f2c372e20 160000
--- a/Lib9c
+++ b/Lib9c
@@ -1 +1 @@
-Subproject commit 8714ad490a305515133a444f3e68091ee5263d4a
+Subproject commit f2c372e20c6adba797b4787d3d1f2fcbc05c7cc1