diff --git a/pkgs/build-support/build-mozilla-mach/default.nix b/pkgs/build-support/build-mozilla-mach/default.nix
index 953f4a5b1cbb..8afe2e434322 100644
--- a/pkgs/build-support/build-mozilla-mach/default.nix
+++ b/pkgs/build-support/build-mozilla-mach/default.nix
@@ -89,6 +89,7 @@ in
   nasm,
   nspr,
   nss_esr,
+  nss_3_114,
   nss_latest,
   onnxruntime,
   pango,
@@ -555,7 +556,12 @@ buildStdenv.mkDerivation {
       xorg.xorgproto
       zlib
       (
-        if (lib.versionAtLeast version "129") then nss_latest else nss_esr # 3.90
+        if (lib.versionAtLeast version "143") then
+          nss_latest
+        else if (lib.versionAtLeast version "129") then
+          nss_3_114
+        else
+          nss_esr # 3.90
       )
     ]
     ++ lib.optional alsaSupport alsa-lib