diff --git a/pkgs/development/libraries/swiften/default.nix b/pkgs/development/libraries/swiften/default.nix
index 272967fcb996..810420fe6b76 100644
--- a/pkgs/development/libraries/swiften/default.nix
+++ b/pkgs/development/libraries/swiften/default.nix
@@ -1,14 +1,14 @@
 { stdenv, python, fetchurl, openssl, boost }:
 stdenv.mkDerivation rec {
   name    = "swiften-${version}";
-  version = "4.0";
+  version = "4.0.2";
 
   buildInputs           = [ python ];
   propagatedBuildInputs = [ openssl boost ];
 
   src = fetchurl {
     url    = "http://swift.im/downloads/releases/swift-${version}/swift-${version}.tar.gz";
-    sha256 = "06bk45hxqmny8z7x78ycrfrazq6xdzv5c28i8x0lgc85j03b5dsh";
+    sha256 = "0w0aiszjd58ynxpacwcgf052zpmbpcym4dhci64vbfgch6wryz0w";
   };
   
   buildPhase = ''