diff --git a/pkgs/applications/networking/browsers/firefox/default.nix b/pkgs/applications/networking/browsers/firefox/default.nix
index e384196be46f..792bc5dc2409 100644
--- a/pkgs/applications/networking/browsers/firefox/default.nix
+++ b/pkgs/applications/networking/browsers/firefox/default.nix
@@ -133,8 +133,8 @@ in {
 
   firefox-unwrapped = common {
     pname = "firefox";
-    version = "45.0";
-    sha256 = "1wbrygxj285vs5qbpv3cq26w36bd533779mgi8d0gpxin44hzarn";
+    version = "45.0.1";
+    sha256 = "1j6raz51zcj2hxk0spk5zq8xzxi5nlxxm60dpnb7cs6dv334m0fi";
   };
 
   firefox-esr-unwrapped = common {