diff --git a/lib/mbedtls b/lib/mbedtls
index dd79db1001..981743de6f 160000
--- a/lib/mbedtls
+++ b/lib/mbedtls
@@ -1 +1 @@
-Subproject commit dd79db10014d85b26d11fe57218431f2e5ede6f2
+Subproject commit 981743de6fcdbe672e482b6fd724d31d0a0d2476