diff --git a/pkgs/applications/networking/browsers/firefox/packages/firefox-esr-128.nix b/pkgs/applications/networking/browsers/firefox/packages/firefox-esr-128.nix
index 4ccfead248e3..1d29c2244730 100644
--- a/pkgs/applications/networking/browsers/firefox/packages/firefox-esr-128.nix
+++ b/pkgs/applications/networking/browsers/firefox/packages/firefox-esr-128.nix
@@ -9,11 +9,11 @@
 
 buildMozillaMach rec {
   pname = "firefox";
-  version = "128.10.0esr";
+  version = "128.10.1esr";
   applicationName = "Firefox ESR";
   src = fetchurl {
     url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
-    sha512 = "c0f349cba626e6ec16ff0b52b7d21e05681acd1377fd1111992860f8079373f631ff997d833a3596c72a6d8c6e4f1d051927fa719f1d37a72553dcbd5348659c";
+    sha512 = "6e7363d8cbecda1cedaf534ac10dc046b5f515399ec754492357e8a558c61ee3389f7bb90aa929dbcb4d6eba041ae1e778a0a8f90aa1e1f939eea517333b6c45";
   };
 
   meta = {