diff --git a/pkgs/applications/networking/browsers/firefox/common.nix b/pkgs/applications/networking/browsers/firefox/common.nix
index 86ab36e143bbf..c0aba5d5810d3 100644
--- a/pkgs/applications/networking/browsers/firefox/common.nix
+++ b/pkgs/applications/networking/browsers/firefox/common.nix
@@ -25,7 +25,6 @@
 
 # build time
 , autoconf
-, cargo
 , dump_syms
 , makeWrapper
 , nodejs
@@ -34,9 +33,8 @@
 , pkgsCross # wasm32 rlbox
 , python3
 , runCommand
-, rustc
+, rustPackages_1_61
 , rust-cbindgen
-, rustPlatform
 , unzip
 , which
 , wrapGAppsHook
@@ -143,6 +141,8 @@ assert pipewireSupport -> !waylandSupport || !webrtcSupport -> throw "${pname}:
 let
   flag = tf: x: [(if tf then "--enable-${x}" else "--disable-${x}")];
 
+  inherit (rustPackages_1_61) cargo rustc rustPlatform;
+
   # Target the LLVM version that rustc is built with for LTO.
   llvmPackages0 = rustc.llvmPackages;
   llvmPackagesBuildBuild0 = pkgsBuildBuild.rustc.llvmPackages;
diff --git a/pkgs/applications/networking/browsers/firefox/packages.nix b/pkgs/applications/networking/browsers/firefox/packages.nix
index 83223f5c289c8..e6bb809e70b31 100644
--- a/pkgs/applications/networking/browsers/firefox/packages.nix
+++ b/pkgs/applications/networking/browsers/firefox/packages.nix
@@ -3,10 +3,10 @@
 rec {
   firefox = buildMozillaMach rec {
     pname = "firefox";
-    version = "104.0.2";
+    version = "105.0";
     src = fetchurl {
       url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
-      sha512 = "bf0d972add11566f5ef6402a22abd82122945de9fa9aab6ed7bb7e41d0843d41948a6d95c0769b0b704c066c8ff6e3f3bf26fcf288c64cd3b3f09a13d4dd467d";
+      sha512 = "a48f323f874b538402630a9094daa83189b3ca319feddc80fd66d087eca13f21c8b2d85be9c29e948c18cb7c524adac44e135adcde4d4592738e104ae9c1a734";
     };
 
     meta = {
@@ -28,11 +28,11 @@ rec {
 
   firefox-esr-102 = buildMozillaMach rec {
     pname = "firefox-esr";
-    version = "102.2.0esr";
+    version = "102.3.0esr";
     applicationName = "Mozilla Firefox ESR";
     src = fetchurl {
       url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
-      sha512 = "06d753867ccfe1b2c79148cc60bc816b47a2abfa98219808868e9028bef1763d982ef7012698d06b8959cce79163d7926baf5f9d5ca9daa18c51fbf0efc59993";
+      sha512 = "35357791f4de8b474780083a22fb52b7846b8012cbf01403f2b9526151d11c196ce0f9fba8e0f16d8235d7259af6fba1bc3acbb5b7e79129a28f390467aa7556";
     };
 
     meta = {