diff --git a/src/external/cocotron b/src/external/cocotron
index 4dac644ab..be9227b9a 160000
--- a/src/external/cocotron
+++ b/src/external/cocotron
@@ -1 +1 @@
-Subproject commit 4dac644abc8f3a4b5bd64f5ed30e8135762640e8
+Subproject commit be9227b9aea63198038a1b4b2c97ef13459a5f1c