diff --git a/Makefile b/Makefile
index 3d8c4e5da..c9ee5c8ee 100644
--- a/Makefile
+++ b/Makefile
@@ -36,7 +36,7 @@ BUILD_REMOTE_PROVISIONING=1
 BUILD_X264=1
 BUILD_AMRNB=full # 0, light or full
 BUILD_AMRWB=0
-BUILD_GPLV3_ZRTP=0
+BUILD_GPLV3_ZRTP=1
 BUILD_SILK=1
 BUILD_G729=0
 BUILD_TUNNEL=0
diff --git a/submodules/linphone b/submodules/linphone
index 5a92742e5..863770beb 160000
--- a/submodules/linphone
+++ b/submodules/linphone
@@ -1 +1 @@
-Subproject commit 5a92742e56ade67b79400246a7f13b238960745f
+Subproject commit 863770bebb7193963df5af36d30c968bb053d50e