diff --git a/.gitmodules b/.gitmodules
index ac10edb..d4a1ab0 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -135,3 +135,6 @@
 [submodule "home/cl-ppcre"]
 	path = home/cl-ppcre
 	url = https://github.com/edicl/cl-ppcre.git
+[submodule "home/cl-isolated"]
+	path = home/cl-isolated
+	url = https://github.com/kanru/cl-isolated
diff --git a/Mezzano b/Mezzano
index 9d34948..e57a328 160000
--- a/Mezzano
+++ b/Mezzano
@@ -1 +1 @@
-Subproject commit 9d34948fee1cfd54875ae909f12b3367a888f3cf
+Subproject commit e57a32800a774d799337722829bbdb3d7e4decb9
diff --git a/home/cl-isolated b/home/cl-isolated
new file mode 160000
index 0000000..05bbc03
--- /dev/null
+++ b/home/cl-isolated
@@ -0,0 +1 @@
+Subproject commit 05bbc0341b53791e1cff88ad4548bb94d0667cad