diff --git a/os/net/security/tinydtls b/os/net/security/tinydtls
index 53a0d97da748a67093c49cb38744650c71d58c4d..42356d96fdd0df58faac871678ea213a4573f477 160000
--- a/os/net/security/tinydtls
+++ b/os/net/security/tinydtls
@@ -1 +1 @@
-Subproject commit 53a0d97da748a67093c49cb38744650c71d58c4d
+Subproject commit 42356d96fdd0df58faac871678ea213a4573f477