diff --git a/pkgs/servers/sql/pgpool/default.nix b/pkgs/servers/sql/pgpool/default.nix
index 194f4b2bcb3..c0b8403a9bc 100644
--- a/pkgs/servers/sql/pgpool/default.nix
+++ b/pkgs/servers/sql/pgpool/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, postgresql }:
 
 stdenv.mkDerivation rec {
-  name = "pgpool-II-3.4.0";
+  name = "pgpool-II-3.4.1";
 
   src = fetchurl {
     url = "http://www.pgpool.net/download.php?f=${name}.tar.gz";
-    sha256 = "1aind5rbdld5ip92xlh4f6dgvdc4zxzgzi5n33xbvdrsrvagbc4j";
+    sha256 = "11fy4lvh2n04zmywy4vhp229yxdw8fbirrlvz44j1vnarkb664pd";
   };
 
   buildInputs = [ postgresql ];
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index c21b2689bec..b3663e99347 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8254,6 +8254,10 @@ let
     postgresql = postgresql93;
   };
 
+  pgpool94 = callPackage ../servers/sql/pgpool/default.nix {
+    postgresql = postgresql94;
+  };
+
   pgpool = pgpool92;
 
   postgresql = postgresql92;