diff --git a/.gitmodules b/.gitmodules
index ec1abf3b..37df6270 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -5,4 +5,4 @@
 [submodule "lib/xpp"]
 	path = lib/xpp
 	url = https://github.com/jaagr/xpp
-	branch = 1.3.0
+	branch = 1.3.1
diff --git a/lib/xpp b/lib/xpp
index bf55ef91..dc026ad9 160000
--- a/lib/xpp
+++ b/lib/xpp
@@ -1 +1 @@
-Subproject commit bf55ef910846851d9b98084f7e82da5860951b87
+Subproject commit dc026ad9711e45bf6aafa44facf4e57546176d5e