diff --git a/pkgs/development/libraries/ucommon/default.nix b/pkgs/development/libraries/ucommon/default.nix
index 4bb927df842c..157bc956e538 100644
--- a/pkgs/development/libraries/ucommon/default.nix
+++ b/pkgs/development/libraries/ucommon/default.nix
@@ -1,15 +1,18 @@
-{ fetchurl, stdenv, gnutls, pkgconfig, zlib }:
+{ fetchurl, stdenv, gnutls, pkgconfig, zlib, libgcrypt }:
 
 stdenv.mkDerivation rec {
-  name = "ucommon-4.2.0";
+  name = "ucommon-4.3.1";
 
   src = fetchurl {
-    url = mirror://gnu/commoncpp/ucommon-4.2.0.tar.gz;
-    sha256 = "0w2695rf9hw407jhl1rxr2ika9syyhvd3il2g9jm1z1yk8zkl1jr";
+    url = mirror://gnu/commoncpp/ucommon-4.3.1.tar.gz;
+    sha256 = "0zay038z0f293zqr8pd8q3qyw2j7wlpx891cgrdh3cyd4pbld6j5";
   };
 
   buildInputs = [ pkgconfig gnutls zlib ];
 
+  # Propagate libgcrypt because it appears in `ucommon.pc'.
+  propagatedBuildInputs = [ libgcrypt ];
+
   doCheck = true;
 
   meta = {
@@ -17,7 +20,7 @@ stdenv.mkDerivation rec {
     homepage = http://www.gnu.org/software/commoncpp/;
     license = "LGPLv3+";
 
-    maintainers = [ stdenv.lib.maintainers.viric ];
+    maintainers = with stdenv.lib.maintainers; [ viric ludo ];
     platforms = stdenv.lib.platforms.all;
   };
 }