diff --git a/.gitmodules b/.gitmodules
index d36acbfe..5051ce92 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -16,4 +16,4 @@
 
 [submodule "components/coap/libcoap"]
 	path = components/coap/libcoap
-	url = ../../obgm/libcoap.git
+	url = https://jihulab.com/esp-mirror/obgm/libcoap.git
diff --git a/components/coap/libcoap b/components/coap/libcoap
index cfec0d07..0dbccca0 160000
--- a/components/coap/libcoap
+++ b/components/coap/libcoap
@@ -1 +1 @@
-Subproject commit cfec0d072c5b99ed3e54828ca50ea2f6b91e1f50
+Subproject commit 0dbccca06c3ea75a20ef0a51633eb424a35b5e2a