diff --git a/.gitmodules b/.gitmodules
index 9da71999..ff597ba8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -80,3 +80,12 @@
 [submodule "external/speexdsp"]
 	path = external/speexdsp
 	url = https://github.com/HeeroYui/speexdsp.git
+[submodule "external/audio"]
+	path = external/audio
+	url = https://github.com/HeeroYui/audio.git
+[submodule "external/drain"]
+	path = external/drain
+	url = https://github.com/HeeroYui/drain.git
+[submodule "external/river"]
+	path = external/river
+	url = https://github.com/HeeroYui/river.git
diff --git a/build b/build
index 2a58657d..134e0b52 160000
--- a/build
+++ b/build
@@ -1 +1 @@
-Subproject commit 2a58657df50abe5e69161e68c703cd9674c87a70
+Subproject commit 134e0b523e2ce75ab0007d509fed406d328b5b91
diff --git a/external/airtaudio b/external/airtaudio
index 00af426a..6de9bac0 160000
--- a/external/airtaudio
+++ b/external/airtaudio
@@ -1 +1 @@
-Subproject commit 00af426a47d45a8111e60f0e8e690411dcad861f
+Subproject commit 6de9bac0fc13222b1a0f1e23f6915f941161bef5
diff --git a/external/audio b/external/audio
new file mode 160000
index 00000000..7f7a04f6
--- /dev/null
+++ b/external/audio
@@ -0,0 +1 @@
+Subproject commit 7f7a04f6365346746697735ccd0cc7d113f6f096
diff --git a/external/drain b/external/drain
new file mode 160000
index 00000000..f2c587fe
--- /dev/null
+++ b/external/drain
@@ -0,0 +1 @@
+Subproject commit f2c587fe8c54c31482974e9a675c4764ec945800
diff --git a/external/eaudiofx b/external/eaudiofx
index 5b858de8..8cd0fe0b 160000
--- a/external/eaudiofx
+++ b/external/eaudiofx
@@ -1 +1 @@
-Subproject commit 5b858de808d471ac09d8fae20f6abc7d3acbe671
+Subproject commit 8cd0fe0b88e8a8838b30d2b5342e105aee842d51
diff --git a/external/ejson b/external/ejson
index dd2c3b15..1028c4aa 160000
--- a/external/ejson
+++ b/external/ejson
@@ -1 +1 @@
-Subproject commit dd2c3b15e9def7818acc5ab42c43ba1d3f5569c1
+Subproject commit 1028c4aad42319b1e2cb0a7a4a7512fcba6383bf
diff --git a/external/river b/external/river
new file mode 160000
index 00000000..c6aa75e0
--- /dev/null
+++ b/external/river
@@ -0,0 +1 @@
+Subproject commit c6aa75e02bf65b1473bc352e9c10843539f488bb