diff --git a/pkgs/additional/firefox-extensions/default.nix b/pkgs/additional/firefox-extensions/default.nix
index b395d044..2f50d990 100644
--- a/pkgs/additional/firefox-extensions/default.nix
+++ b/pkgs/additional/firefox-extensions/default.nix
@@ -121,7 +121,7 @@ in (lib.makeScope newScope (self: with self; {
       extid = "webextension@metamask.io";
       pname = "ether-metamask";
       url = "https://github.com/MetaMask/metamask-extension/releases/download/v${version}/metamask-firefox-${version}.zip";
-      version = "11.8.0";
+      version = "11.10.0-mmi.0";
       hash = "sha256-X9y4EwYze6ja1cPRSEwtyDgIfeb8RJGa66Qts1X+2DM=";
     };
     fx_cast = fetchVersionedAddon rec {
@@ -146,7 +146,7 @@ in (lib.makeScope newScope (self: with self; {
       extid = "{d66c8515-1e0d-408f-82ee-2682f2362726}";
       pname = "open-in-mpv";
       url = "https://github.com/Baldomo/open-in-mpv/releases/download/v${version}/firefox.xpi";
-      version = "2.1.0";
+      version = "2.2.0";
       hash = "sha256-jRP0hvEyScGnQ2K5EFX+ggtu6B0h9Y3fJxYYnI8cMbc=";
     };
     sidebery = fetchVersionedAddon rec {
@@ -162,8 +162,8 @@ in (lib.makeScope newScope (self: with self; {
       extid = "sponsorBlocker@ajay.app";
       pname = "sponsorblock";
       url = "https://github.com/ajayyy/SponsorBlock/releases/download/${version}/FirefoxSignedInstaller.xpi";
-      version = "5.5.4";
-      hash = "sha256-vYb76eynoe4MWbwo9T4PieGZldTKD/AMV4D9pUUE7Ls=";
+      version = "5.5.5";
+      hash = "sha256-y4lh3t/L8ZMnY9220dDkIaUy23eYeFpO9CBtOsRrrjI=";
     };
     ublacklist = fetchVersionedAddon rec {
       extid = "@ublacklist";
@@ -178,8 +178,8 @@ in (lib.makeScope newScope (self: with self; {
       # 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 = "1.55.1b28";
-      hash = "sha256-QHVcVymrQ3MxfOJr+skZrWEM9A+CliiyL7xIQskwdGY=";
+      version = "1.56.1b0";
+      hash = "sha256-8qKK7pEXTkUHmgFXFCUzwzv6wSEvVTITpHkhODy4DT8=";
     };
   };
 })).overrideScope (self: super: