diff --git a/home-manager/modules/firefox/config/extensions.nix b/home-manager/modules/firefox/config/extensions.nix
index 7e9b7a2..db9a42c 100755
--- a/home-manager/modules/firefox/config/extensions.nix
+++ b/home-manager/modules/firefox/config/extensions.nix
@@ -8,6 +8,7 @@ builtins.attrValues {
     sponsorblock
     ublock-origin
     unpaywall
+    sidebery
     ;
 }
 # https://github.com/nix-community/nur-combined/blob/master/repos/rycee/pkgs/firefox-addons/generated-firefox-addons.nix