diff --git a/pkgs/tools/security/tor/default.nix b/pkgs/tools/security/tor/default.nix
index 41cb399cb9f..25f80a16fea 100644
--- a/pkgs/tools/security/tor/default.nix
+++ b/pkgs/tools/security/tor/default.nix
@@ -3,11 +3,11 @@
 }:
 
 stdenv.mkDerivation rec {
-  name = "tor-0.2.9.9";
+  name = "tor-0.2.9.10";
 
   src = fetchurl {
     url = "https://dist.torproject.org/${name}.tar.gz";
-    sha256 = "0hqdk5p6dw4bpn7c8gmhyi8jjkhc37112pfw5nx4gl0g4lmmscik";
+    sha256 = "0h8kpn42mgpkzmnga143hi8nh0ai65ypxh7qhkwbb15j3wz2h4fn";
   };
 
   nativeBuildInputs = [ pkgconfig ];
@@ -22,9 +22,7 @@ stdenv.mkDerivation rec {
       --replace 'exec torsocks' 'exec ${torsocks}/bin/torsocks'
   '';
 
-  # Fails in a sandboxed environment; at some point we want to disable
-  # just the tests that require networking.
-  doCheck = false;
+  doCheck = true;
 
   meta = with stdenv.lib; {
     homepage = https://www.torproject.org/;