diff --git a/pkgs/applications/networking/browsers/firefox/packages.nix b/pkgs/applications/networking/browsers/firefox/packages.nix
index 5bc020909f9..273f1791e90 100644
--- a/pkgs/applications/networking/browsers/firefox/packages.nix
+++ b/pkgs/applications/networking/browsers/firefox/packages.nix
@@ -6,10 +6,10 @@ rec {
 
   firefox = common rec {
     pname = "firefox";
-    version = "53.0";
+    version = "53.0.2";
     src = fetchurl {
       url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
-      sha512 = "36ec810bab58e3d99478455a38427a5efbc74d6dd7d4bb93b700fd7429b9b89250efd0abe4609091483991802090c6373c8434dfc9ba64c79a778e51fd2a2886";
+      sha512 = "d56d563db7e1a0faa2de9315b71b479adb9109624d0958224ad2cee331dcbdb4f414380bd91f70ee0b3e543eca812c172eb2d6f6b5620f6dd6f61675f5ac69d8";
     };
 
     meta = {