diff --git a/pkgs/tools/security/tor/default.nix b/pkgs/tools/security/tor/default.nix
index db3fe3197fa5..77d58df5249f 100644
--- a/pkgs/tools/security/tor/default.nix
+++ b/pkgs/tools/security/tor/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, libevent, openssl, zlib, torsocks }:
 
 stdenv.mkDerivation rec {
-  name = "tor-0.2.5.11";
+  name = "tor-0.2.5.12";
 
   src = fetchurl {
     url = "https://archive.torproject.org/tor-package-archive/${name}.tar.gz";
-    sha256 = "0sb7ai8r9c0nvdagjrbfqpri6x4njfxv954fxrjv46rzkkpgmq5f";
+    sha256 = "0j9byw3i2b7ji88vsqwmsxxg2nlxwkk45k5qbc1y7hdlzvzxl3sm";
   };
 
   # Note: torsocks is specified as a dependency, as the distributed