diff --git a/.gitmodules b/.gitmodules
index 289d86482e..f221f9c395 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,7 +4,7 @@
 [submodule "mbedtls"]
 	path = FreeRTOS-Plus/Source/mbedtls
 	url = https://github.com/ARMmbed/mbedtls.git
-	branch = mbedtls-2.16.7
+	branch = mbedtls-2.16.8
 [submodule "FreeRTOS-Plus/Source/FreeRTOS-IoT-Libraries-LTS-Beta2/pkcs11/FreeRTOS-PKCS"]
 	path = FreeRTOS-Plus/Source/FreeRTOS-IoT-Libraries-LTS-Beta2/pkcs11/FreeRTOS-PKCS
 	url = https://github.com/FreeRTOS/FreeRTOS-PKCS.git
diff --git a/FreeRTOS-Plus/Source/mbedtls b/FreeRTOS-Plus/Source/mbedtls
index abc460236f..848a4e06b3 160000
--- a/FreeRTOS-Plus/Source/mbedtls
+++ b/FreeRTOS-Plus/Source/mbedtls
@@ -1 +1 @@
-Subproject commit abc460236f17be148036e2c7e07e6a05f938b656
+Subproject commit 848a4e06b375e067552f1a21d4bc69322c673217