diff --git a/pkgs/development/libraries/xmlsec/default.nix b/pkgs/development/libraries/xmlsec/default.nix
index 80f4e2fc8604..3fba451c7111 100644
--- a/pkgs/development/libraries/xmlsec/default.nix
+++ b/pkgs/development/libraries/xmlsec/default.nix
@@ -1,14 +1,14 @@
 { stdenv, fetchurl, libxml2, gnutls, libxslt, pkgconfig, libgcrypt, libtool }:
 
 let
-  version = "1.2.19";
+  version = "1.2.20";
 in
 stdenv.mkDerivation rec {
   name = "xmlsec-${version}";
 
   src = fetchurl {
     url = "http://www.aleksey.com/xmlsec/download/xmlsec1-${version}.tar.gz";
-    sha256 = "1h5ar0h8n0l8isgic82w00cwfpw7i9wxw17kbdb6q3yvzb4zgj1g";
+    sha256 = "01bkbv2y3x8d1sf4dcln1x3y2jyj391s3208d9a2ndhglly5j89j";
   };
 
   buildInputs = [ libxml2 gnutls libxslt pkgconfig libgcrypt libtool ];