diff --git a/pkgs/applications/networking/irc/irssi/default.nix b/pkgs/applications/networking/irc/irssi/default.nix
index 0d2dcd3b45a..88e2ede631b 100644
--- a/pkgs/applications/networking/irc/irssi/default.nix
+++ b/pkgs/applications/networking/irc/irssi/default.nix
@@ -1,20 +1,23 @@
 { stdenv, fetchurl, pkgconfig, ncurses, glib, openssl, perl, libintlOrEmpty }:
 
 stdenv.mkDerivation rec {
-
-  version = "0.8.21";
+  version = "1.0.0";
   name = "irssi-${version}";
 
   src = fetchurl {
-    urls = [ "https://github.com/irssi/irssi/releases/download/${version}/${name}.tar.gz" ];
-    sha256 = "0fxacadhdzl3n0231mqjv2gcmj1fj85azhbbsk0fq7xmf1da7ha2";
+    url = "https://github.com/irssi/irssi/releases/download/${version}/${name}.tar.gz";
+    sha256 = "11x47ahkvzzx3xkvqak34235ghnpln65v13k77xx32c85nvb63kr";
   };
 
-  buildInputs = [ pkgconfig ncurses glib openssl perl libintlOrEmpty ];
+  nativeBuildInputs = [ pkgconfig ];
+  buildInputs = [ ncurses glib openssl perl libintlOrEmpty ];
 
-  NIX_LDFLAGS = ncurses.ldflags;
-
-  configureFlags = "--with-proxy --with-ncurses --enable-ssl --with-perl=yes";
+  configureFlags = [
+    "--with-proxy"
+    "--with-bot"
+    "--with-perl=yes"
+    "--enable-true-color"
+  ];
 
   meta = {
     homepage    = http://irssi.org;