diff --git a/pkgs/development/libraries/libgadu/default.nix b/pkgs/development/libraries/libgadu/default.nix
index 455380f5589..ef8439b8b88 100644
--- a/pkgs/development/libraries/libgadu/default.nix
+++ b/pkgs/development/libraries/libgadu/default.nix
@@ -1,14 +1,16 @@
-{stdenv, fetchurl}:
+{stdenv, fetchurl, zlib}:
 
 stdenv.mkDerivation {
 
-  name = "libgadu-1.9.0";
+  name = "libgadu-1.11.0";
 
   src = fetchurl {
-    url = http://toxygen.net/libgadu/files/libgadu-1.9.0.tar.gz;
-    sha256 = "1ygmda23hf7cysns9kglsiljzb4x8339n878k70yacgzm07dryhj";
+    url = http://toxygen.net/libgadu/files/libgadu-1.11.0.tar.gz;
+    sha256 = "045a0bd395k3ramdvlzyfx3878p42fv4r04rgasmdsm2n33wgm38";
   };
 
+  buildInputs = [ zlib ];
+
   meta = {
     description = "A library to deal with gadu-gadu protocol (most popular polish IM protocol)";
     homepage = http://toxygen.net/libgadu/;