diff --git a/pkgs/tools/security/tor/default.nix b/pkgs/tools/security/tor/default.nix
index 7675b6ae739a..7422f9af8d07 100644
--- a/pkgs/tools/security/tor/default.nix
+++ b/pkgs/tools/security/tor/default.nix
@@ -50,11 +50,11 @@ let
 in
 stdenv.mkDerivation rec {
   pname = "tor";
-  version = "0.4.8.16";
+  version = "0.4.8.20";
 
   src = fetchurl {
     url = "https://dist.torproject.org/${pname}-${version}.tar.gz";
-    sha256 = "sha256-ZUDdN3oSD7jn0nUwqjt/9yoPpbT2cP4dZMmHwc/TkMs=";
+    sha256 = "sha256-G7IjKM3R7pSGR7/O1XHvp4wS/FBkGHtB1SVAhbUoL6c=";
   };
 
   outputs = [