diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 0000000..2df6e9c
--- /dev/null
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,14 @@
+<!--
+
+
+
+Do NOT send pull request to `master` branch.
+
+
+Please send to `dev` branch instead.
+
+
+Any PR to `master` branch will NOT be merged.
+
+
+-->
\ No newline at end of file