diff --git a/pkgs/applications/networking/browsers/firefox/packages.nix b/pkgs/applications/networking/browsers/firefox/packages.nix
index 4ab5e5dfe454..de0ac8eb7a1d 100644
--- a/pkgs/applications/networking/browsers/firefox/packages.nix
+++ b/pkgs/applications/networking/browsers/firefox/packages.nix
@@ -29,11 +29,11 @@ rec {
 
   firefox-esr-102 = buildMozillaMach rec {
     pname = "firefox-esr-102";
-    version = "102.6.0esr";
+    version = "102.7.0esr";
     applicationName = "Mozilla Firefox ESR";
     src = fetchurl {
       url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
-      sha512 = "c0f0160bea612d0ae74c29dd44beb7fd9a1c292694b8cd5c4faf2e54feb5c27684eee821b67dd40df714d69866a4e3a8b19e22182d9bc3023050d2d96b02d308";
+      sha512 = "2a9d212b5d15e1bf7a6156495126cbc9161d2057aeedea8f7a5a0670a19a9b00cf35044075935c8f3c788118856ba2cc00f9b297c5ac713f094857683f7cd13b";
     };
 
     meta = {