diff --git a/cpp_utils b/cpp_utils
index 67ca668..2aca61e 160000
--- a/cpp_utils
+++ b/cpp_utils
@@ -1 +1 @@
-Subproject commit 67ca668ff36577e70ca1a07564b8d6e81d9d6905
+Subproject commit 2aca61e46688ff46ef52ab87a4af045e56e28eb4