diff --git a/pkgs/development/python-modules/telethon/default.nix b/pkgs/development/python-modules/telethon/default.nix
index c7cd37676d1..2e51cf982b3 100644
--- a/pkgs/development/python-modules/telethon/default.nix
+++ b/pkgs/development/python-modules/telethon/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchPypi, async_generator, rsa, pyaes, pythonOlder }:
+{ lib, buildPythonPackage, fetchPypi, openssl, async_generator, rsa, pyaes, pythonOlder }:
 
 buildPythonPackage rec {
   pname = "telethon";
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index e17ccce7f27..60a9e17f000 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -6797,7 +6797,9 @@ in {
 
   telegram = callPackage ../development/python-modules/telegram { };
 
-  telethon = callPackage ../development/python-modules/telethon { };
+  telethon = callPackage ../development/python-modules/telethon {
+    inherit (pkgs) openssl;
+  };
 
   telethon-session-sqlalchemy = callPackage ../development/python-modules/telethon-session-sqlalchemy { };