diff --git a/pkgs/applications/networking/browsers/firefox/packages/firefox.nix b/pkgs/applications/networking/browsers/firefox/packages/firefox.nix
index e53ded860df1..a744e841e007 100644
--- a/pkgs/applications/networking/browsers/firefox/packages/firefox.nix
+++ b/pkgs/applications/networking/browsers/firefox/packages/firefox.nix
@@ -9,10 +9,10 @@
 
 buildMozillaMach rec {
   pname = "firefox";
-  version = "146.0";
+  version = "146.0.1";
   src = fetchurl {
     url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
-    sha512 = "db6664310cdcdede832b29dea533b345a3ac86f9df7813118d44b1ec2c4a32e4de2b6e98044385ca6f6026eb3a9994c486a1ddb8b6f4ae7589ed46b122c05630";
+    sha512 = "ae95b86e483febf8dfec8347748dd9048ed7d7f845250e07aa8048e2b351da61f6f3c5f83bb0d0c72e1a75ec61b60e59bbe69639f0f33532910ff8bf5ca07394";
   };
 
   meta = {