diff --git a/pkgs/applications/misc/liberasurecode/default.nix b/pkgs/by-name/li/liberasurecode/package.nix
similarity index 52%
rename from pkgs/applications/misc/liberasurecode/default.nix
rename to pkgs/by-name/li/liberasurecode/package.nix
index f94496d0b125..1f4cb055cc99 100644
--- a/pkgs/applications/misc/liberasurecode/default.nix
+++ b/pkgs/by-name/li/liberasurecode/package.nix
@@ -1,34 +1,44 @@
-{ lib
-, stdenv
-, fetchFromGitHub
-, autoreconfHook
-, doxygen
-, installShellFiles
-, zlib
+{
+  lib,
+  stdenv,
+  autoreconfHook,
+  doxygen,
+  fetchFromGitHub,
+  installShellFiles,
+  testers,
+  zlib,
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "liberasurecode";
-  version = "1.6.3";
+  version = "1.6.4";
 
-  outputs = [ "out" "dev" "doc" ];
+  outputs = [
+    "out"
+    "dev"
+    "doc"
+  ];
 
   src = fetchFromGitHub {
     owner = "openstack";
-    repo = pname;
-    rev = version;
-    sha256 = "sha256-HCp+FQ9nq4twk6FtfKhzT80wXXJbvG+clrDO2/9ATpU=";
+    repo = "liberasurecode";
+    rev = "refs/tags/${finalAttrs.version}";
+    hash = "sha256-KYXlRjUudWhFbhyv9V1fmqwBw3/vTBfusxafaNG+Q40=";
   };
 
   postPatch = ''
     substituteInPlace doc/doxygen.cfg.in \
-      --replace "GENERATE_MAN           = NO" "GENERATE_MAN           = YES"
+      --replace-fail "GENERATE_MAN           = NO" "GENERATE_MAN           = YES"
 
     substituteInPlace Makefile.am src/Makefile.am \
-      --replace "-Werror" ""
+      --replace-fail "-Werror" ""
   '';
 
-  nativeBuildInputs = [ autoreconfHook doxygen installShellFiles ];
+  nativeBuildInputs = [
+    autoreconfHook
+    doxygen
+    installShellFiles
+  ];
 
   buildInputs = [ zlib ];
 
@@ -47,10 +57,15 @@ stdenv.mkDerivation rec {
 
   checkTarget = "test";
 
+  passthru.tests.pkg-config = testers.hasPkgConfigModules {
+    package = finalAttrs.finalPackage;
+  };
+
   meta = with lib; {
     description = "Erasure Code API library written in C with pluggable Erasure Code backends";
     homepage = "https://github.com/openstack/liberasurecode";
     license = licenses.bsd2;
     maintainers = teams.openstack.members;
+    pkgConfigModules = [ "erasurecode-1" ];
   };
-}
+})
diff --git a/pkgs/development/python-modules/pyeclib/default.nix b/pkgs/development/python-modules/pyeclib/default.nix
index 70fb7aeb5975..0ada1b1306bd 100644
--- a/pkgs/development/python-modules/pyeclib/default.nix
+++ b/pkgs/development/python-modules/pyeclib/default.nix
@@ -2,32 +2,41 @@
   lib,
   stdenv,
   buildPythonPackage,
+  distutils,
   fetchFromGitHub,
   liberasurecode,
+  pytestCheckHook,
+  setuptools,
   six,
 }:
 
 buildPythonPackage rec {
   pname = "pyeclib";
-  version = "unstable-2022-03-11";
-  format = "setuptools";
+  version = "1.6.1";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "openstack";
     repo = "pyeclib";
-    rev = "b50040969a03f7566ffcb468336e875d21486113";
-    hash = "sha256-nYYjocStC0q/MC6pum3J4hlXiu/R5xODwIE97Ho3iEY=";
+    rev = "refs/tags/${version}";
+    hash = "sha256-pa3majZ68+DQGtgGCpZVRshof+w9jvpxreo4dkckLXk=";
   };
 
   postPatch = ''
     # patch dlopen call
     substituteInPlace src/c/pyeclib_c/pyeclib_c.c \
-      --replace "liberasurecode.so" "${liberasurecode}/lib/liberasurecode.so"
+      --replace-fail "liberasurecode.so" "${liberasurecode}/lib/liberasurecode.so"
+
     # python's platform.platform() doesn't return "Darwin" (anymore?)
     substituteInPlace setup.py \
-      --replace '"Darwin"' '"macOS"'
+      --replace-fail '"Darwin"' '"macOS"'
   '';
 
+  build-system = [
+    distutils
+    setuptools
+  ];
+
   preBuild =
     let
       ldLibraryPathEnvName = if stdenv.isDarwin then "DYLD_LIBRARY_PATH" else "LD_LIBRARY_PATH";
@@ -37,9 +46,12 @@ buildPythonPackage rec {
       export ${ldLibraryPathEnvName}="${lib.makeLibraryPath [ liberasurecode ]}"
     '';
 
-  buildInputs = [ liberasurecode ];
+  dependencies = [ liberasurecode ];
 
-  nativeCheckInputs = [ six ];
+  nativeCheckInputs = [
+    pytestCheckHook
+    six
+  ];
 
   pythonImportsCheck = [ "pyeclib" ];
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 3fd48693159e..688bfe22cfc2 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -19923,8 +19923,6 @@ with pkgs;
 
   libesmtp = callPackage ../development/libraries/libesmtp { };
 
-  liberasurecode = callPackage ../applications/misc/liberasurecode { };
-
   example-robot-data = callPackage ../development/libraries/example-robot-data { };
 
   exiv2 = callPackage ../development/libraries/exiv2 { };