diff --git a/.gitmodules b/.gitmodules
index e0ba3b881..d41ec407f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -90,4 +90,4 @@
 	url = git://git.linphone.org/bctoolbox.git
 [submodule "submodules/externals/mbedtls"]
 	path = submodules/externals/mbedtls
-	url = https://github.com/ARMmbed/mbedtls.git
+	url = git://git.linphone.org/mbedtls.git
diff --git a/submodules/externals/mbedtls b/submodules/externals/mbedtls
index bfafadb45..3b88f2749 160000
--- a/submodules/externals/mbedtls
+++ b/submodules/externals/mbedtls
@@ -1 +1 @@
-Subproject commit bfafadb45daf8d2114e3109e2f9021fc72ee36bb
+Subproject commit 3b88f2749d59e5346de08e121fba1d797c55ddaa