diff --git a/components/coap/libcoap b/components/coap/libcoap
index cfec0d072c..017528d7d9 160000
--- a/components/coap/libcoap
+++ b/components/coap/libcoap
@@ -1 +1 @@
-Subproject commit cfec0d072c5b99ed3e54828ca50ea2f6b91e1f50
+Subproject commit 017528d7d96dca2318ed587b5fd3c0d57a89e49a