diff --git a/src/external/enet b/src/external/enet
index aefa2bd25..af6677232 160000
--- a/src/external/enet
+++ b/src/external/enet
@@ -1 +1 @@
-Subproject commit aefa2bd251d9a08ebdf42ba3253118a4999a48c0
+Subproject commit af667723217959194e80527fc7999b7516c0b8df
diff --git a/src/external/jsoncpp b/src/external/jsoncpp
index d8cd848ed..ddabf50f7 160000
--- a/src/external/jsoncpp
+++ b/src/external/jsoncpp
@@ -1 +1 @@
-Subproject commit d8cd848ede1071a25846cd90b4fddf269d868ff1
+Subproject commit ddabf50f72cf369bf652a95c4d9fe31a1865a781
diff --git a/src/external/msgpack-c b/src/external/msgpack-c
index 42181289e..2c4f2b890 160000
--- a/src/external/msgpack-c
+++ b/src/external/msgpack-c
@@ -1 +1 @@
-Subproject commit 42181289ed9c12fbf70ed3f1320c7ef9a4f76836
+Subproject commit 2c4f2b890ef1546fc022d270d11e657f6fc8022f