diff --git a/.gitmodules b/.gitmodules
index d1671d67..8ef0dc25 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -65,3 +65,6 @@
 [submodule "ios-deploy"]
 	path = ios-deploy
 	url = https://github.com/HeeroYui/ios-deploy.git
+[submodule "external/enet"]
+	path = external/enet
+	url = https://github.com/HeeroYui/enet.git
diff --git a/build b/build
index 2e79c973..eb447c39 160000
--- a/build
+++ b/build
@@ -1 +1 @@
-Subproject commit 2e79c973af0e73c1732711cedc39dc414a82052d
+Subproject commit eb447c39c550322de11af033ddbca98cb9152f83
diff --git a/external/agg b/external/agg
index 8bf2d17b..31442b46 160000
--- a/external/agg
+++ b/external/agg
@@ -1 +1 @@
-Subproject commit 8bf2d17b61989d8fbe01cbd1228147ab52e19d23
+Subproject commit 31442b4615e43ebda829622b4da4961c32e01f26
diff --git a/external/airtaudio b/external/airtaudio
index 55e1d5db..f8b2271d 160000
--- a/external/airtaudio
+++ b/external/airtaudio
@@ -1 +1 @@
-Subproject commit 55e1d5db4b2c0ac979c4334bd1882f1a1f7c909a
+Subproject commit f8b2271dffdab57d96b43c010428f19dc9fff6d0
diff --git a/external/enet b/external/enet
new file mode 160000
index 00000000..77dd712c
--- /dev/null
+++ b/external/enet
@@ -0,0 +1 @@
+Subproject commit 77dd712c56d11f1a6e1b98180f2f717dec52ab96
diff --git a/external/esvg b/external/esvg
index 95215e43..467a412c 160000
--- a/external/esvg
+++ b/external/esvg
@@ -1 +1 @@
-Subproject commit 95215e438d27f4ee715a1bf33fa491d89cb98f15
+Subproject commit 467a412ccdfeee3e64ec57c82ba36fda275483b9
diff --git a/external/etk b/external/etk
index 7f2fe798..c6fe3295 160000
--- a/external/etk
+++ b/external/etk
@@ -1 +1 @@
-Subproject commit 7f2fe7980f48cab07077bce7e192f08fc7e7cf34
+Subproject commit c6fe3295f449ddb300cb26c51482b89626fbff7c