diff --git a/pkgs/tools/misc/pspg/default.nix b/pkgs/tools/misc/pspg/default.nix
index b9543dc143c..ddd76a344e0 100644
--- a/pkgs/tools/misc/pspg/default.nix
+++ b/pkgs/tools/misc/pspg/default.nix
@@ -1,18 +1,18 @@
-{ stdenv, fetchFromGitHub, gnugrep, ncurses, pkgconfig }:
+{ stdenv, fetchFromGitHub, gnugrep, ncurses, pkgconfig, readline }:
 
 stdenv.mkDerivation rec {
   name = "pspg-${version}";
-  version = "1.0.0";
+  version = "1.1.0";
 
   src = fetchFromGitHub {
     owner = "okbob";
     repo = "pspg";
     rev = "${version}";
-    sha256 = "1swrg4bg7i4xpdrsg8dsfldbxaffni04x8i1s0g6h691qcin675v";
+    sha256 = "10r6jfcqw4wclp84f07g3bda844csgm4sh7cjsnk2smmal7nhybs";
   };
 
   nativeBuildInputs = [ pkgconfig ];
-  buildInputs = [ gnugrep ncurses ];
+  buildInputs = [ gnugrep ncurses readline ];
 
   preBuild = ''
     makeFlags="PREFIX=$out PKG_CONFIG=${pkgconfig}/bin/pkg-config"