diff --git a/pkgs/applications/networking/browsers/firefox/packages/firefox-beta.nix b/pkgs/applications/networking/browsers/firefox/packages/firefox-beta.nix
index b0127ffb8a7d..598f149244da 100644
--- a/pkgs/applications/networking/browsers/firefox/packages/firefox-beta.nix
+++ b/pkgs/applications/networking/browsers/firefox/packages/firefox-beta.nix
@@ -10,11 +10,11 @@
 buildMozillaMach rec {
   pname = "firefox-beta";
   binaryName = pname;
-  version = "144.0b1";
+  version = "144.0b4";
   applicationName = "Firefox Beta";
   src = fetchurl {
     url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
-    sha512 = "a5a13bcb819523e936dadcb3d31ba6b24905f9b37104afd23ab267caf15d692bb048542b542012bd95048e0fb42aefd48e92bd38b536be9dd273c468c9def428";
+    sha512 = "f49e852eae3c453e4de46cde42f3d23d977a71414e8193b49ceff7816d8aff4d11e915860b6c732a64922bb2b897ff39b9fe9919458eb943ffd03efbc1c75650";
   };
 
   meta = {
diff --git a/pkgs/applications/networking/browsers/firefox/packages/firefox-devedition.nix b/pkgs/applications/networking/browsers/firefox/packages/firefox-devedition.nix
index f6739c897714..9fb46e612e35 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 = "144.0b1";
+  version = "144.0b4";
   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 = "f50d5ef185f77ab70b43bc52d8d7e5d2e4be731505b8b53fa5a28c18d7e8fb59b4c1d9af3a18b2a2f0a1047133face63ba52991995a848a3c1d956907ef4d926";
+    sha512 = "144a10bc0c2121e22990def70e1b5bcc033a8b8cd7ad433a1b1d5db33599d05142d1f5c1e486f919e7b839849aaf83c6c4287df89f337151b82f220f9bd7fe52";
   };
 
   # buildMozillaMach sets MOZ_APP_REMOTINGNAME during configuration, but