diff --git a/pkgs/development/compilers/picat/default.nix b/pkgs/development/compilers/picat/default.nix
index b520a5e703c..87af63c671a 100644
--- a/pkgs/development/compilers/picat/default.nix
+++ b/pkgs/development/compilers/picat/default.nix
@@ -1,13 +1,16 @@
-{ stdenv, fetchurl }:
+{ stdenv, fetchurl, zlib }:
 
 stdenv.mkDerivation {
-  name = "picat-1.9-4";
+  pname = "picat";
+  version = "2.8-2";
 
   src = fetchurl {
-    url = http://picat-lang.org/download/picat19_src.tar.gz;
-    sha256 = "0wvl95gf4pjs93632g4wi0mw1glzzhjp9g4xg93ll2zxggbxibli";
+    url = http://picat-lang.org/download/picat28_src.tar.gz;
+    sha256 = "10hf2fxxbpq28gi39icr8c9wafdiy9ddfkk6l4rx7kkqyrdi7n85";
   };
 
+  buildInputs = [ zlib ];
+
   ARCH = if stdenv.hostPlatform.system == "i686-linux" then "linux32"
          else if stdenv.hostPlatform.system == "x86_64-linux" then "linux64"
          else throw "Unsupported system";
@@ -16,12 +19,12 @@ stdenv.mkDerivation {
 
   buildPhase = ''
     cd emu
-    make -f Makefile.picat.$ARCH
+    make -f Makefile.$ARCH
   '';
 
   installPhase = ''
     mkdir -p $out/bin
-    cp picat_$ARCH $out/bin/picat
+    cp picat $out/bin/picat
   '';
 
   meta = {
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 2563bf1166e..027ef5e3e4e 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8727,9 +8727,7 @@ in
 
   pforth = callPackage ../development/compilers/pforth {};
 
-  picat = callPackage ../development/compilers/picat {
-    stdenv = gcc49Stdenv;
-  };
+  picat = callPackage ../development/compilers/picat { };
 
   ponyc = callPackage ../development/compilers/ponyc {
     llvm = llvm_7;