diff --git a/ext/cl-ppcre b/ext/cl-ppcre
index afe67e92772bd0220d63efa2670930eb3ea400dd..7bc656d7fa67b45967f3567cf6971bd452b0363d 160000
--- a/ext/cl-ppcre
+++ b/ext/cl-ppcre
@@ -1 +1 @@
-Subproject commit afe67e92772bd0220d63efa2670930eb3ea400dd
+Subproject commit 7bc656d7fa67b45967f3567cf6971bd452b0363d
diff --git a/ext/closer-closer-mop b/ext/closer-closer-mop
index aeba0fee84a5d0dbe01dcef7d482ed502ffb3191..1bd37b7dd7671ee174f9c00a2490c00c35c3a28e 160000
--- a/ext/closer-closer-mop
+++ b/ext/closer-closer-mop
@@ -1 +1 @@
-Subproject commit aeba0fee84a5d0dbe01dcef7d482ed502ffb3191
+Subproject commit 1bd37b7dd7671ee174f9c00a2490c00c35c3a28e
diff --git a/ext/lisp-invocation b/ext/lisp-invocation
index 0db565f8b8a00014aa31619af9cca18424eaa2db..567ec1111e515d12cd01be5baa34dacec6a8b0cc 160000
--- a/ext/lisp-invocation
+++ b/ext/lisp-invocation
@@ -1 +1 @@
-Subproject commit 0db565f8b8a00014aa31619af9cca18424eaa2db
+Subproject commit 567ec1111e515d12cd01be5baa34dacec6a8b0cc
diff --git a/ext/optima b/ext/optima
index 411b822e9950f80b9f0db98f26c0599e71a0183a..373b245b928c1a5cce91a6cb5bfe5dd77eb36195 160000
--- a/ext/optima
+++ b/ext/optima
@@ -1 +1 @@
-Subproject commit 411b822e9950f80b9f0db98f26c0599e71a0183a
+Subproject commit 373b245b928c1a5cce91a6cb5bfe5dd77eb36195