diff --git a/src/3rd_party/sentencepiece b/src/3rd_party/sentencepiece
index c307b874..5312a306 160000
--- a/src/3rd_party/sentencepiece
+++ b/src/3rd_party/sentencepiece
@@ -1 +1 @@
-Subproject commit c307b874deb5ea896db8f93506e173353e66d4d3
+Subproject commit 5312a306c4c0a458e29a8882ebfb42a179aaf580