diff --git a/src/IxMilia.Dxf b/src/IxMilia.Dxf
index 98b1ed6..645ce4c 160000
--- a/src/IxMilia.Dxf
+++ b/src/IxMilia.Dxf
@@ -1 +1 @@
-Subproject commit 98b1ed65564e4a05a259efcfc5beabe83b7699d3
+Subproject commit 645ce4c52f1a3c5221321e22df49ec72a8dfe9e0