diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..d05c448
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+notify-py==0.3.3
+psutil==5.8.0
diff --git a/src/__main__.py b/src/__main__.py
index 728d2c3..22482cd 100755
--- a/src/__main__.py
+++ b/src/__main__.py
@@ -13,10 +13,11 @@ LIMIT_BELOW_BATTERY = 15
 MESSAGE_LIMIT_BELOW_BATTERY = "Connect your charger"
 FILE_NAME_TEMP = "alert_battery_to_maintain_health"
 PATH_FILE_NAME_TEMP = os.path.join(gettempdir(), FILE_NAME_TEMP)
+NOTIFICATION_PATH_ICON = os.path.abspath(os.path.join(__file__, "..", ".." ,"icons/battery-status.png"))
 NOTIFICATION = Notify(
-  default_notification_title="Alert battery",
-  default_application_name="Alert battery",
-  default_notification_icon=os.path.abspath("icons/battery-status.png"),
+    default_notification_title="Alert battery",
+    default_application_name="Alert battery",
+    default_notification_icon=NOTIFICATION_PATH_ICON,
 )