diff --git a/docs/upgrade.md b/docs/upgrade.md
new file mode 100644
index 0000000..69eab6f
--- /dev/null
+++ b/docs/upgrade.md
@@ -0,0 +1,18 @@
+# upgrading guide
+
+## step
+- upgrade expo sdk first
+
+```sh
+npx expo install expo@52
+```
+
+- align package with expo version
+
+```sh
+npx expo install --fix
+```
+
+## helpers
+
+https://react-native-community.github.io/upgrade-helper/
\ No newline at end of file