diff --git a/pkgs/applications/networking/browsers/firefox/packages/firefox-beta.nix b/pkgs/applications/networking/browsers/firefox/packages/firefox-beta.nix
index 107d7d4fc95f..b0127ffb8a7d 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 = "143.0b9";
+  version = "144.0b1";
   applicationName = "Firefox Beta";
   src = fetchurl {
     url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
-    sha512 = "b014e343ddba2e3750a0f50925c9b7f07237593c299604d96275f45332063f1487a47234411f7c952ee50ffaeb385a22dedbc4f924e4e0fc89668172b06c78fd";
+    sha512 = "a5a13bcb819523e936dadcb3d31ba6b24905f9b37104afd23ab267caf15d692bb048542b542012bd95048e0fb42aefd48e92bd38b536be9dd273c468c9def428";
   };
 
   meta = {
diff --git a/pkgs/applications/networking/browsers/firefox/packages/firefox-devedition.nix b/pkgs/applications/networking/browsers/firefox/packages/firefox-devedition.nix
index 4e425f2f3d3a..f6739c897714 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 = "143.0b9";
+  version = "144.0b1";
   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 = "a323bbcc7c8898073e320f3c2701881d849cff31a01a8bad34df7f08945dd7fb7e8cc9afd8aceb209198e8932b7b1d835af45b87459f4454f9a7f48bc85ef690";
+    sha512 = "f50d5ef185f77ab70b43bc52d8d7e5d2e4be731505b8b53fa5a28c18d7e8fb59b4c1d9af3a18b2a2f0a1047133face63ba52991995a848a3c1d956907ef4d926";
   };
 
   # buildMozillaMach sets MOZ_APP_REMOTINGNAME during configuration, but