diff --git a/README.md b/README.md
index 104d0c4..8a4ce0c 100644
--- a/README.md
+++ b/README.md
@@ -6,8 +6,24 @@
-### 1. Update the dependency to the latest SDK version (File -> Packages -> Update To Latest Package Version).
-
+### 1. In this project, we use the Pushwoosh iOS SDK as a submodule. To fetch the dependency, follow these steps:
+
+1.1 Navigate to the sample folder via the terminal and enter the following command:
+
+```
+git submodule update --init --recursive
+```
+1.2 You can check the status of the submodules to ensure they have been successfully fetched:
+
+```
+git submodule status
+```
+
+1.3 If you have already cloned the repository and want to update the submodules to the latest commits, you can use:
+
+```
+git submodule update --recursive --remote
+```
### 2. Replace the Bundle Identifier in the main target and in the Notification Service Extension with yours.