diff --git a/pkgs/applications/science/biology/hmmer/default.nix b/pkgs/applications/science/biology/hmmer/default.nix
index 2a4df9d21dba..243e067ddec3 100644
--- a/pkgs/applications/science/biology/hmmer/default.nix
+++ b/pkgs/applications/science/biology/hmmer/default.nix
@@ -1,12 +1,12 @@
 { lib, stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
-  version = "3.3.2";
+  version = "3.4";
   pname = "hmmer";
 
   src = fetchurl {
     url = "http://eddylab.org/software/hmmer/${pname}-${version}.tar.gz";
-    sha256 = "0s9wf6n0qanbx8qs6igfl3vyjikwbrvh4d9d6mv54yp3xysykzlj";
+    sha256 = "sha256-ynDZT9DPJxvXBjQjqrsRbULeUzEXNDqbJ6ZcF/8G+/M=";
   };
 
   meta = with lib; {
@@ -18,6 +18,7 @@ stdenv.mkDerivation rec {
       HMMER can be downloaded and installed as a command line tool on your own hardware, and now it is also more widely accessible to the scientific community via new search servers at the European Bioinformatics Institute.
     '';
     homepage = "http://hmmer.org/";
+    changelog = "https://github.com/EddyRivasLab/hmmer/blob/hmmer-${version}/release-notes/RELEASE-${version}.md";
     license = licenses.gpl3;
     maintainers = [ maintainers.iimog ];
     # at least SSE is *required*