diff --git a/third-party/fbson/COMMIT.md b/third-party/fbson/COMMIT.md
index 54a5a8100..bba88d57b 100644
--- a/third-party/fbson/COMMIT.md
+++ b/third-party/fbson/COMMIT.md
@@ -1,2 +1,2 @@
 fbson commit: 
-https://github.com/facebook/mysql-5.6/commit/4cfccf14f4abc5a142b25c54ce1d0f4dafe95f9c
+https://github.com/facebook/mysql-5.6/commit/55ef9ff25c934659a70b4094e9b406c48e9dd43d