diff --git a/pkgs/applications/graphics/rapcad/default.nix b/pkgs/applications/graphics/rapcad/default.nix
index 2ff824124098..71b9c3b4b1b3 100644
--- a/pkgs/applications/graphics/rapcad/default.nix
+++ b/pkgs/applications/graphics/rapcad/default.nix
@@ -1,16 +1,16 @@
-{stdenv, fetchgit, qt4, cgal, boost, gmp, mpfr, flex, bison, dxflib}: 
+{stdenv, fetchgit, qt5, cgal, boost, gmp, mpfr, flex, bison, dxflib, readline }: 
 
 stdenv.mkDerivation rec {
-  version = "0.8.0";
+  version = "0.9.5";
   name = "rapcad-${version}";
 
   src = fetchgit {
     url = "https://github.com/GilesBathgate/RapCAD.git";
     rev = "refs/tags/v${version}";
-    sha256 = "37c7107dc4fcf8942a4ad35377c4e42e6aedfa35296e5fcf8d84882ae35087c7";
+    sha256 = "15c18jvgbwyrfhv7r35ih0gzx35vjlsbi984h1sckgh2z17hjq8l";
   };
   
-  buildInputs = [qt4 cgal boost gmp mpfr flex bison dxflib];
+  buildInputs = [qt5 cgal boost boost.lib gmp mpfr flex bison dxflib readline ];
 
   configurePhase = ''
     qmake;