diff --git a/lib/c-argh b/lib/c-argh
index 7252403..540d94b 160000
--- a/lib/c-argh
+++ b/lib/c-argh
@@ -1 +1 @@
-Subproject commit 72524034501979c19438f85ea79d37c650fbe5bf
+Subproject commit 540d94bd1d41fb19c82c50904c2322c93e6718b3