diff --git a/contrib/prometheus-cpp b/contrib/prometheus-cpp
index ca1f3463e74..84388828ae8 160000
--- a/contrib/prometheus-cpp
+++ b/contrib/prometheus-cpp
@@ -1 +1 @@
-Subproject commit ca1f3463e74d957d1cccddd4a1a29e3e5d34bd83
+Subproject commit 84388828ae80556f57e11249dbd0063043991fb4