diff --git a/.gitmodules b/.gitmodules
index 4163e024..f5cf5e21 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -5,4 +5,4 @@
 [submodule "lib/xpp"]
 	path = lib/xpp
 	url = https://github.com/jaagr/xpp
-	branch = 1.3.5
+	branch = 1.3.6
diff --git a/lib/xpp b/lib/xpp
index 9d410a96..61f42bbc 160000
--- a/lib/xpp
+++ b/lib/xpp
@@ -1 +1 @@
-Subproject commit 9d410a963e7e2673a87b200b7560a3d83747e900
+Subproject commit 61f42bbca835b3cf9968de42fd46ffe404b73dca