diff --git a/pkgs/by-name/firefox-extensions/package.nix b/pkgs/by-name/firefox-extensions/package.nix
index 2bf23a8b3..1c556f6a8 100644
--- a/pkgs/by-name/firefox-extensions/package.nix
+++ b/pkgs/by-name/firefox-extensions/package.nix
@@ -166,8 +166,8 @@ let
         # N.B.: a handful of versions are released unsigned
         # url = "https://github.com/gorhill/uBlock/releases/download/${version}/uBlock0_${version}.signed.xpi";
         url = "https://github.com/gorhill/uBlock/releases/download/${version}/uBlock0_${version}.firefox.signed.xpi";
-        version = "1.61.1b4";
-        hash = "sha256-tIeqM/SVy90kTY0tkOsRpq5nS1QkGNOVMKnQeWqjUG4=";
+        version = "1.61.1b5";
+        hash = "sha256-ETpsSamZFvSSlydJ7GlEEDETyGHOKV/0KI8mC73vo/4=";
       };
     };
 })  ).overrideScope (self: super: