diff --git a/update.bat b/update.bat
new file mode 100644
index 0000000..6691b69
--- /dev/null
+++ b/update.bat
@@ -0,0 +1,2 @@
+cd ..
+git submodule update --recursive --remote php
diff --git a/update.sh b/update.sh
new file mode 100755
index 0000000..ca004ea
--- /dev/null
+++ b/update.sh
@@ -0,0 +1 @@
+cd .. && git submodule update --recursive --remote php