diff --git a/pkgs/applications/networking/browsers/opera/default.nix b/pkgs/applications/networking/browsers/opera/default.nix
index f1d40150eb3..fe7cb477371 100644
--- a/pkgs/applications/networking/browsers/opera/default.nix
+++ b/pkgs/applications/networking/browsers/opera/default.nix
@@ -84,5 +84,8 @@ stdenv.mkDerivation rec {
     homepage = http://www.opera.com;
     description = "Web browser";
     license = stdenv.lib.licenses.unfree;
+    # Marked as broken due to needing an update for security issues.
+    # See: https://github.com/NixOS/nixpkgs/issues/18856
+    broken = true;
   };
 }