diff --git a/pkgs/applications/networking/browsers/firefox/packages.nix b/pkgs/applications/networking/browsers/firefox/packages.nix
index 09c1e5dd8f8..58f11898534 100644
--- a/pkgs/applications/networking/browsers/firefox/packages.nix
+++ b/pkgs/applications/networking/browsers/firefox/packages.nix
@@ -10,10 +10,10 @@ rec {
 
   firefox = common rec {
     pname = "firefox";
-    ffversion = "65.0.1";
+    ffversion = "65.0.2";
     src = fetchurl {
       url = "mirror://mozilla/firefox/releases/${ffversion}/source/firefox-${ffversion}.source.tar.xz";
-      sha512 = "2crb46l5r0rwmzr1m8cn9f6xgajwcvansnplqg4kg91rf6x8q0zqzfnmyli9ccsbqvh7bqd31dmy14gwjskasqc4v103x9hchzshxnc";
+      sha512 = "2qai7krlc5whsbnwbn67d63lbm7j8mnx8nq0cw44j9nf5gnqx80afqcs08705xlf0n350xa5iif6b9m4nw0jwikps25cirwavrra348";
     };
 
     patches = [