diff --git a/pkgs/applications/networking/browsers/firefox/packages/firefox-devedition.nix b/pkgs/applications/networking/browsers/firefox/packages/firefox-devedition.nix
index cb7ec98b9779..753a7f6f78b9 100644
--- a/pkgs/applications/networking/browsers/firefox/packages/firefox-devedition.nix
+++ b/pkgs/applications/networking/browsers/firefox/packages/firefox-devedition.nix
@@ -10,13 +10,13 @@
 buildMozillaMach rec {
   pname = "firefox-devedition";
   binaryName = pname;
-  version = "137.0b2";
+  version = "137.0b6";
   applicationName = "Firefox Developer Edition";
   requireSigning = false;
   branding = "browser/branding/aurora";
   src = fetchurl {
     url = "mirror://mozilla/devedition/releases/${version}/source/firefox-${version}.source.tar.xz";
-    sha512 = "a15eded14d6a4ddeb3798ac7bb72a9e8a6541a3ee76dc9051cf6865816079f8794e6defe2f9299f327976eefc1f4ea957d972b56d1f03816296b25f0c0173a12";
+    sha512 = "91fb3e010d62805ec29758bb46b3d520dc3a3e2b0f040de4e284aeb5fe812b5b084563f560a229f54a404a5130429d60b35eac15d89f1cb586fd364b61a7f8be";
   };
 
   meta = {