diff --git a/pkgs/applications/version-management/mercurial/default.nix b/pkgs/applications/version-management/mercurial/default.nix
index a4cb1f5b63bb..74ca47b046a6 100644
--- a/pkgs/applications/version-management/mercurial/default.nix
+++ b/pkgs/applications/version-management/mercurial/default.nix
@@ -4,7 +4,7 @@
 
 let
   # if you bump version, update pkgs.tortoisehg too or ping maintainer
-  version = "4.5.2";
+  version = "4.6.2";
   name = "mercurial-${version}";
   inherit (python2Packages) docutils hg-git dulwich python;
 in python2Packages.buildPythonApplication {
@@ -13,7 +13,7 @@ in python2Packages.buildPythonApplication {
 
   src = fetchurl {
     url = "https://mercurial-scm.org/release/${name}.tar.gz";
-    sha256 = "14732hhw2ibvy5khqxjc8a983z3rib5vp9lqfbws80lm3kyryjm4";
+    sha256 = "1bv6wgcdx8glihjjfg22khhc52mclsn4kwfqvzbzlg0b42h4xl0w";
   };
 
   inherit python; # pass it so that the same version can be used in hg2git
diff --git a/pkgs/applications/version-management/tortoisehg/default.nix b/pkgs/applications/version-management/tortoisehg/default.nix
index 3f33410f1b1b..5a37857fa479 100644
--- a/pkgs/applications/version-management/tortoisehg/default.nix
+++ b/pkgs/applications/version-management/tortoisehg/default.nix
@@ -2,11 +2,11 @@
 
 python2Packages.buildPythonApplication rec {
     name = "tortoisehg-${version}";
-    version = "4.5.2";
+    version = "4.6.1";
 
     src = fetchurl {
       url = "https://bitbucket.org/tortoisehg/targz/downloads/${name}.tar.gz";
-      sha256 = "0q12zjpgafdch4ns31k4afy25g837xm7v2qwj62806l2dz4rm4h9";
+      sha256 = "1argpi5h0fv4ilahi52c98xgvsvz27lvqi41hzw1f81mhjgyhqik";
     };
 
     pythonPath = with python2Packages; [ pyqt4 mercurial qscintilla iniparse ];