diff --git a/pkgs/applications/networking/browsers/firefox/packages/firefox-devedition.nix b/pkgs/applications/networking/browsers/firefox/packages/firefox-devedition.nix
index 1955de70d183..30350ffd8de8 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 = "firefox-devedition";
-  version = "154.0b4";
+  version = "154.0b8";
   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 = "1dae1edf7b97891224d186f469e31cfa0d2c4fbbdfd6d03f74c03b4421902739fee8d359c66b3c2c431318a4212b0e6221456a233fd6a141c96122f3c6e62bea";
+    sha512 = "03de3fe8558f91799f8c2b2d949375e96b18ae206b4496a6b33099a905e2499e6e9f99d9ad8130d3f230b1258b37a4894f267e7d701b90252ef934bd834e9529";
   };
 
   # buildMozillaMach sets MOZ_APP_REMOTINGNAME during configuration, but