diff --git a/pkgs/servers/dico/default.nix b/pkgs/servers/dico/default.nix
index ac897554ce2..d711d8a75ca 100644
--- a/pkgs/servers/dico/default.nix
+++ b/pkgs/servers/dico/default.nix
@@ -1,16 +1,16 @@
 { fetchurl, stdenv, libtool, gettext, zlib, readline, gsasl
-, guile, python }:
+, guile, python, pcre }:
 
 stdenv.mkDerivation rec {
-  name = "dico-2.1";
+  name = "dico-2.2";
 
   src = fetchurl {
-    url = "mirror://gnu/dico/${name}.tar.gz";
-    sha256 = "0cs4jxnz6g5xqrhkbnycn7jl9fs8jfjh33vza7i68m8qmjwx2vza";
+    url = "mirror://gnu/dico/${name}.tar.xz";
+    sha256 = "04pjks075x20d19l623mj50bw64g8i41s63z4kzzqcbg9qg96x64";
   };
 
   # XXX: Add support for GNU SASL.
-  buildInputs = [ libtool gettext zlib readline gsasl guile python ];
+  buildInputs = [ libtool gettext zlib readline gsasl guile python pcre ];
 
   doCheck = true;