1 files changed, 7 insertions, 7 deletions
diff --git a/pkgs/development/compilers/yosys/default.nix b/pkgs/development/compilers/yosys/default.nix
index e7f70136675..aaa8628efbe 100644
--- a/pkgs/development/compilers/yosys/default.nix
+++ b/pkgs/development/compilers/yosys/default.nix
@@ -1,21 +1,21 @@
 { stdenv, fetchFromGitHub
 , pkgconfig, bison, flex
 , tcl, readline, libffi, python3
-, protobuf
+, protobuf, zlib
 }:
 
 with builtins;
 
 stdenv.mkDerivation rec {
   pname = "yosys";
-  version = "2019.04.23";
+  version = "2019.08.13";
 
   srcs = [
     (fetchFromGitHub {
       owner  = "yosyshq";
       repo   = "yosys";
-      rev    = "d9daf09cf3aab202b6da058c5e959f6375a4541e";
-      sha256 = "0l27r9l3fvkqhmbqqpjz1f3ny4wdh5mdc7jlnbgy6nxx6vqcmkh0";
+      rev    = "19d6b8846f55b4c7be705619f753bec86deadac8";
+      sha256 = "185sbkxajx3k9j03n0cxq2qvzwfwdbcxp19h8vnk7ghd5y9gp602";
       name   = "yosys";
     })
 
@@ -25,8 +25,8 @@ stdenv.mkDerivation rec {
     (fetchFromGitHub {
       owner  = "berkeley-abc";
       repo   = "abc";
-      rev    = "3709744c60696c5e3f4cc123939921ce8107fe04";
-      sha256 = "18a9cjng3qfalq8m9az5ck1y5h4l2pf9ycrvkzs9hn82b1j7vrax";
+      rev    = "5776ad07e7247993976bffed4802a5737c456782";
+      sha256 = "1la4idmssg44rp6hd63sd5vybvs3vr14yzvwcg03ls37p39cslnl";
       name   = "yosys-abc";
     })
   ];
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
   nativeBuildInputs = [ pkgconfig ];
-  buildInputs = [ tcl readline libffi python3 bison flex protobuf ];
+  buildInputs = [ tcl readline libffi python3 bison flex protobuf zlib ];
 
   makeFlags = [ "ENABLE_PROTOBUF=1" ];