diff --git a/pkgs/applications/networking/browsers/firefox/common.nix b/pkgs/applications/networking/browsers/firefox/common.nix
index b0d11bd835b6..041082484571 100644
--- a/pkgs/applications/networking/browsers/firefox/common.nix
+++ b/pkgs/applications/networking/browsers/firefox/common.nix
@@ -132,13 +132,8 @@ buildStdenv.mkDerivation ({
   patches = [
   ] ++
   lib.optional (lib.versionAtLeast version "86") ./env_var_for_system_dir-ff86.patch ++
-  lib.optional (lib.versionAtLeast version "90") ./no-buildconfig-ffx90.patch ++
-  # This fixes a race condition causing deadlock.
-  # https://phabricator.services.mozilla.com/D128657
-  lib.optional (lib.versionAtLeast version "94") (fetchpatch {
-    url = "https://raw.githubusercontent.com/archlinux/svntogit-packages/9c7f25d45bb1dd6b1a865780bc249cdaa619aa83/trunk/0002-Bug-1735905-Upgrade-cubeb-pulse-to-fix-a-race-condit.patch";
-    sha256 = "l4bMK/YDXcDpIjPy9DPuUSFyDpzVQca201A4h9eav5g=";
-  }) ++
+  lib.optional (lib.versionAtLeast version "90" && lib.versionOlder version "95") ./no-buildconfig-ffx90.patch ++
+  lib.optional (lib.versionAtLeast version "95") ./no-buildconfig-ffx95.patch ++
   patches;
 
   # Ignore trivial whitespace changes in patches, this fixes compatibility of
@@ -297,6 +292,7 @@ buildStdenv.mkDerivation ({
   ++ lib.optionals enableDebugSymbols [ "--disable-strip" "--disable-install-strip" ]
 
   ++ lib.optional enableOfficialBranding "--enable-official-branding"
+  ++ lib.optional (lib.versionAtLeast version "95") "--without-wasm-sandboxed-libraries"
   ++ extraConfigureFlags;
 
   postConfigure = ''
diff --git a/pkgs/applications/networking/browsers/firefox/no-buildconfig-ffx95.patch b/pkgs/applications/networking/browsers/firefox/no-buildconfig-ffx95.patch
new file mode 100644
index 000000000000..238c32ee45b1
--- /dev/null
+++ b/pkgs/applications/networking/browsers/firefox/no-buildconfig-ffx95.patch
@@ -0,0 +1,27 @@
+diff --git a/docshell/base/nsAboutRedirector.cpp b/docshell/base/nsAboutRedirector.cpp
+index 038136a..1709f1f 100644
+--- a/docshell/base/nsAboutRedirector.cpp
++++ b/docshell/base/nsAboutRedirector.cpp
+@@ -66,9 +66,6 @@ static const RedirEntry kRedirMap[] = {
+     {"about", "chrome://global/content/aboutAbout.html", 0},
+     {"addons", "chrome://mozapps/content/extensions/aboutaddons.html",
+      nsIAboutModule::ALLOW_SCRIPT | nsIAboutModule::IS_SECURE_CHROME_UI},
+-    {"buildconfig", "chrome://global/content/buildconfig.html",
+-     nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
+-         nsIAboutModule::IS_SECURE_CHROME_UI},
+     {"checkerboard", "chrome://global/content/aboutCheckerboard.html",
+      nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
+          nsIAboutModule::ALLOW_SCRIPT},
+diff --git a/toolkit/content/jar.mn b/toolkit/content/jar.mn
+index 9ac4305..916b4ad 100644
+--- a/toolkit/content/jar.mn
++++ b/toolkit/content/jar.mn
+@@ -39,8 +39,6 @@ toolkit.jar:
+    content/global/plugins.html
+    content/global/plugins.css
+    content/global/plugins.js
+-*   content/global/buildconfig.html
+-   content/global/buildconfig.css
+    content/global/contentAreaUtils.js
+    content/global/datepicker.xhtml
+ #ifndef MOZ_FENNEC
diff --git a/pkgs/applications/networking/browsers/firefox/packages.nix b/pkgs/applications/networking/browsers/firefox/packages.nix
index 5923a967e720..0ba99f3d06b3 100644
--- a/pkgs/applications/networking/browsers/firefox/packages.nix
+++ b/pkgs/applications/networking/browsers/firefox/packages.nix
@@ -7,10 +7,10 @@ in
 rec {
   firefox = common rec {
     pname = "firefox";
-    version = "94.0.2";
+    version = "95.0";
     src = fetchurl {
       url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
-      sha512 = "00ce4f6be711e1f309828e030163e61bbd9fe3364a8e852e644177c93832078877dea1a516719b106a52c0d8462193ed52c1d3cc7ae34ea021eb1dd0f5b685e2";
+      sha512 = "350672a2cd99195c67dafc0e71c6eaf1e23e85a5fe92775697119a054f17c34a736035e23d7f2bb404b544f0f144efef3843cfc293596a6e61d1ea36efc3a724";
     };
 
     meta = {