diff --git a/thirdparty/cppast b/thirdparty/cppast
index 0d06dcdf..31e1154f 160000
--- a/thirdparty/cppast
+++ b/thirdparty/cppast
@@ -1 +1 @@
-Subproject commit 0d06dcdf86bfdbf13fb20a4adbbbc6e536884411
+Subproject commit 31e1154fa07b4ed19df3c20ad043681e22a16f62