diff --git a/pkgs/firefox.nix b/pkgs/firefox.nix
index 7922093..5ab18f0 100644
--- a/pkgs/firefox.nix
+++ b/pkgs/firefox.nix
@@ -19,6 +19,11 @@
           install_url = "https://addons.mozilla.org/firefox/downloads/latest/bitwarden-password-manager/latest.xpi";
           installation_mode = "force_installed";
         };
+        # Dark Reader
+        "addon@darkreader.org" = {
+          install_url = "https://addons.mozilla.org/firefox/downloads/latest/darkreader/latest.xpi";
+          installation_mode = "force_installed";
+        };
       };
     };
   };