diff --git a/pkgs/by-name/xm/xmlsec/package.nix b/pkgs/by-name/xm/xmlsec/package.nix
index 80a6ed8b6ea7..08109f4a00d7 100644
--- a/pkgs/by-name/xm/xmlsec/package.nix
+++ b/pkgs/by-name/xm/xmlsec/package.nix
@@ -21,7 +21,12 @@ lib.fix (
     version = "1.3.7";
 
     src = fetchurl {
-      url = "https://www.aleksey.com/xmlsec/download/xmlsec1-${version}.tar.gz";
+      urls = [
+        "https://www.aleksey.com/xmlsec/download/xmlsec1-${version}.tar.gz"
+
+        # for when the ${version} gets older than the last two
+        "https://www.aleksey.com/xmlsec/download/older-releases/xmlsec1-${version}.tar.gz"
+      ];
       sha256 = "sha256-2C6TtpuKogWmFrYpF6JpMiv2Oj6q+zd1AU5hdSsgE+o=";
     };