diff --git a/ext/tinydtls b/ext/tinydtls
index 02d0716f..c31a6b73 160000
--- a/ext/tinydtls
+++ b/ext/tinydtls
@@ -1 +1 @@
-Subproject commit 02d0716ff99f36a53cbe4c7e43693514735088d7
+Subproject commit c31a6b735fd02b898cbbc5266774105970d120b6