diff --git a/modules/completion/external b/modules/completion/external
index 08afea0e..16467a0d 160000
--- a/modules/completion/external
+++ b/modules/completion/external
@@ -1 +1 @@
-Subproject commit 08afea0e230b5a321d584119f55b675990327ef9
+Subproject commit 16467a0dfd303ffa11f3e141a0483910c428bef4
diff --git a/modules/history-substring-search/external b/modules/history-substring-search/external
index 9f9fc7d5..1e768040 160000
--- a/modules/history-substring-search/external
+++ b/modules/history-substring-search/external
@@ -1 +1 @@
-Subproject commit 9f9fc7d550cc547737f4c686591cbbf07e7470b0
+Subproject commit 1e7680405239a835aa403a7457cad23750f98e72
diff --git a/modules/syntax-highlighting/external b/modules/syntax-highlighting/external
index 3dc57419..f289a9f8 160000
--- a/modules/syntax-highlighting/external
+++ b/modules/syntax-highlighting/external
@@ -1 +1 @@
-Subproject commit 3dc574190071ef59054f6d693132410b37aa3ae4
+Subproject commit f289a9f8e7a8a1752cd88f2366e6dacf8a0036e7
diff --git a/runcoms/zshrc b/runcoms/zshrc
index 039b882d..39256430 100644
--- a/runcoms/zshrc
+++ b/runcoms/zshrc
@@ -11,3 +11,7 @@ if [[ -s "${ZDOTDIR:-$HOME}/.zprezto/init.zsh" ]]; then
 fi
 
 # Customize to your needs...
+# Source custom configuration
+if [[ -s "${ZDOTDIR:-$HOME}/zshrc.local" ]]; then
+  source "${ZDOTDIR:-$HOME}/zshrc.local"
+fi