diff --git a/user/firefox.nix b/user/firefox.nix
index 0403a14..d15e569 100644
--- a/user/firefox.nix
+++ b/user/firefox.nix
@@ -34,8 +34,8 @@ in
           # })
           (pkgs.fetchFirefoxAddon {
             name = "ublock-origin";
-            url = "https://addons.mozilla.org/firefox/downloads/file/4290466/ublock_origin-1.58.0.xpi";
-            hash = "sha256-RwxWmUpxdNshV4rc5ZixWKXcCXDIfFz+iJrGMr0wheo=";
+            url = "https://addons.mozilla.org/firefox/downloads/file/4492375/ublock_origin-1.64.0.xpi";
+            hash = "sha256-ueHIaL0awd78q/LgF3bRqQ7/ujSwf+aiE1DUXwIuDp8=";
           })
           (pkgs.fetchFirefoxAddon {
             name = "user_agent_string_switcher";