diff --git a/pkgs/tools/security/fail2ban/default.nix b/pkgs/tools/security/fail2ban/default.nix
index 6c3fb072709..62bc16f6a41 100644
--- a/pkgs/tools/security/fail2ban/default.nix
+++ b/pkgs/tools/security/fail2ban/default.nix
@@ -17,6 +17,7 @@ python3.pkgs.buildPythonApplication rec {
   pythonPath = with python3.pkgs;
     lib.optionals stdenv.isLinux [
       systemd
+      pyinotify
     ];
 
   patches = [