diff --git a/pkgs/applications/networking/browsers/firefox/packages.nix b/pkgs/applications/networking/browsers/firefox/packages.nix
index a0825e93b84d..46cac46d045a 100644
--- a/pkgs/applications/networking/browsers/firefox/packages.nix
+++ b/pkgs/applications/networking/browsers/firefox/packages.nix
@@ -56,12 +56,12 @@ rec {
 
   firefox-devedition = buildMozillaMach rec {
     pname = "firefox-devedition";
-    version = "113.0b2";
+    version = "113.0b3";
     applicationName = "Mozilla Firefox Developer Edition";
     branding = "browser/branding/aurora";
     src = fetchurl {
       url = "mirror://mozilla/devedition/releases/${version}/source/firefox-${version}.source.tar.xz";
-      sha512 = "634271b19a0a5369fb91a286da2c476b6570e501bb7d8b05efe22eea1ecff66a7fbf62ef21ac9dcfd863be2d63a3be117615b5c0b1b1fc8c7d746d720b3d9876";
+      sha512 = "e0efa46db05105dd747d6105a668263b006ef1651514526d18e8d1daa2787db6ef00f4ead12542b2eb9d2d35ba5caf6aa0dfc26569c66474d07c1053ebd1cdfa";
     };
 
     meta = {