diff --git a/pkgs/applications/networking/browsers/firefox/packages.nix b/pkgs/applications/networking/browsers/firefox/packages.nix
index 772c6e5ec5034..00371f81df43f 100644
--- a/pkgs/applications/networking/browsers/firefox/packages.nix
+++ b/pkgs/applications/networking/browsers/firefox/packages.nix
@@ -3,10 +3,10 @@
 {
   firefox = buildMozillaMach rec {
     pname = "firefox";
-    version = "120.0";
+    version = "120.0.1";
     src = fetchurl {
       url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
-      sha512 = "31d5f9e1d4173280c8de6d9b8551bc6bba5e2c49b84f944f50d42002d5b39c2fb743bc130f26c81160388a102b8301b94a0a378ecdfa6f943860f971a860df8c";
+      sha512 = "dd0e3eb234d58c39431d1f100834ef4bcc8cfb89ff471a37b948eda4dd3874b63b1979cda39a0db0dd3b4a579b5f09a7d2d1f39d26fd9f2b8d5635e4b8738b6c";
     };
 
     meta = {