diff --git a/README.md b/README.md
index 9fdefa0..98aa938 100644
--- a/README.md
+++ b/README.md
@@ -54,5 +54,10 @@ By default script build the version as recommended by revanced team.
     ```dotenv
     PATCH_APPS=youtube,twitter,reddit
     ```
+4. If you don't want to use default keystore. You can provide your own by placing it 
+   inside `apks` folder. And adding the name of file in `environment`
+   ```dotenv
+    KEYSTORE_FILE_NAME=revanced.keystore
+    ```
 ### Note
 Thanks to [@aliharslan0](https://github.com/aliharslan0/pyrevanced) for his work.
diff --git a/apks/revanced.keystore b/apks/revanced.keystore
new file mode 100644
index 0000000..098510e
Binary files /dev/null and b/apks/revanced.keystore differ
diff --git a/main.py b/main.py
index c269317..acb8dac 100644
--- a/main.py
+++ b/main.py
@@ -28,6 +28,7 @@ supported_apps = [
     "warnwetter",
 ]
 apps = env.list("PATCH_APPS", supported_apps)
+keystore_name = env.str("KEYSTORE_FILE_NAME", "revanced.keystore")
 apk_mirror = "https://www.apkmirror.com"
 github = "https://www.github.com"
 apk_mirror_urls = {
@@ -269,6 +270,8 @@ class ArgParser:
             "revanced-integrations.apk",
             "-o",
             f"Re{app}-{version}-output.apk",
+            "--keystore",
+            keystore_name,
         ]
         if is_experimental:
             logger.debug("Using experimental features")