diff --git a/libs/bimap b/libs/bimap
index f57c83ab17..c81ecb5b9e 160000
--- a/libs/bimap
+++ b/libs/bimap
@@ -1 +1 @@
-Subproject commit f57c83ab171e794ea003987aa60fccb533a734a2
+Subproject commit c81ecb5b9e01c0e8bf4b4d4f83888f09e79fe75d