diff --git a/lib/xdrpp b/lib/xdrpp
index 3e2179812d..a29a170369 160000
--- a/lib/xdrpp
+++ b/lib/xdrpp
@@ -1 +1 @@
-Subproject commit 3e2179812d95725767785e47f12e379dda77048a
+Subproject commit a29a1703699ad2b6cb4b28538d6ed4173eacdb60