diff --git a/external/haven-web-cpp b/external/haven-web-cpp
index f57d69e2a..20daeffd0 160000
--- a/external/haven-web-cpp
+++ b/external/haven-web-cpp
@@ -1 +1 @@
-Subproject commit f57d69e2a185afb7ba5c2c52361e5ad23492ab09
+Subproject commit 20daeffd03e225c365a79fec56a50a3c8062a6be