diff --git a/README.md b/README.md
index 150931b..1d767aa 100644
--- a/README.md
+++ b/README.md
@@ -31,6 +31,7 @@ On macOS, get native Python 3 from Apple with command `xcode-select --install`.
 
 `pycryptodome` has an API compatible with older `pycrypto`, which should also work with `iOSbackup`. But `pycryptodome` is more well maintained and easier to install on Windows and macOS.
 
+See package name for your system package manager at [Repology](https://repology.org/project/python:iosbackup/versions).
 
 ## Usage