diff --git a/pkgs/applications/misc/ctodo/default.nix b/pkgs/applications/misc/ctodo/default.nix
index fefa45760d5c..0123e0c38d74 100644
--- a/pkgs/applications/misc/ctodo/default.nix
+++ b/pkgs/applications/misc/ctodo/default.nix
@@ -1,17 +1,15 @@
-{ stdenv, cmake, fetchurl, ncurses }:
+{ stdenv, cmake, fetchurl, ncurses, readline }:
 
-let
-  version = "1.2";
-in
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   name = "ctodo-${version}";
+  version = "1.3";
 
   src = fetchurl {
     url = "https://github.com/Acolarh/ctodo/archive/v${version}.tar.gz";
-    sha256 = "0kjd84q8aw238z09yz9n1p732fh08vijaf8bk1xqlx544cgyfcjm";
+    sha256 = "1k3raigcgpwa0h8zkv5x9rycnn2iqkb9qim4q9ydqy9wbv3m32jb";
   };
 
-  buildInputs = [ stdenv cmake ncurses ];
+  buildInputs = [ stdenv cmake ncurses readline ];
 
   configurePhase = ''
     cmake -DCMAKE_INSTALL_PREFIX=$out .