diff --git a/sign-dist.sh b/sign-dist.sh
new file mode 100755
index 0000000..2d05017
--- /dev/null
+++ b/sign-dist.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+for f in dist/*.mpf; do
+  gpg --yes --detach-sign $f
+done
diff --git a/src/brotli/pkg.sh b/src/brotli/pkg.sh
index efec083..9387538 100644
--- a/src/brotli/pkg.sh
+++ b/src/brotli/pkg.sh
@@ -11,7 +11,7 @@ HASHES=("3a6a3dba82a3604792d3cb0bd41bca60")
 DEPENDS=("glibc" "python3")
 BUILD=(
   "cmake" "pypa-build" "pypa-installer"
-  "pypa-setuptools" "pypa-wheel"
+  "pypa-wheel"
 )
 
 PACKAGE(){
diff --git a/src/build-essential/pkg.sh b/src/build-essential/pkg.sh
index 2da8b5d..de8c772 100644
--- a/src/build-essential/pkg.sh
+++ b/src/build-essential/pkg.sh
@@ -11,7 +11,7 @@ HASHES=()
 DEPENDS=(
   "glibc" "gcc" "make" "python3" "perl"
   "cmake" "pypa-wheel" "pypa-installer" 
-  "pypa-build" "pypa-setuptools"
+  "pypa-build" "pypa-packaging" "pypi-flit-core"
 )
 BUILD=()
 
diff --git a/src/pypa-build/.gitignore b/src/pypa-build/.gitignore
new file mode 100644
index 0000000..8b56c9f
--- /dev/null
+++ b/src/pypa-build/.gitignore
@@ -0,0 +1,3 @@
+.cache/
+dist/
+root/
diff --git a/src/pypa-build/changes.md b/src/pypa-build/changes.md
new file mode 100644
index 0000000..95d3fa2
--- /dev/null
+++ b/src/pypa-build/changes.md
@@ -0,0 +1,2 @@
+# 1.2.1
+First version
diff --git a/src/pypa-build/pkg.sh b/src/pypa-build/pkg.sh
new file mode 100644
index 0000000..0980b4b
--- /dev/null
+++ b/src/pypa-build/pkg.sh
@@ -0,0 +1,22 @@
+# general info
+NAME="pypa-build"
+DESC="Simple and correct python build frontend"
+VERSION="1.2.1"
+
+# required files
+FILES=("https://github.com/pypa/build/archive/refs/tags/${VERSION}.tar.gz")
+HASHES=("571fbbcd187eed0e7af47dd49e8f25ab22fb9cfbde5ed1daea67c5187dad9df6")
+
+# install and build depends
+DEPENDS=("python3" "pypa-packaging")
+BUILD=()
+
+PACKAGE(){
+  tar xf "${VERSION}.tar.gz"
+  cd "build-${VERSION}"
+
+  python3 -m build --wheel --skip-dependency-check --no-isolation
+  PYTHONPATH=src python3 -m installer --destdir="${ROOTDIR}" dist/*.whl
+
+  cd .. && rm -r "build-${VERSION}"
+}
diff --git a/src/pypa-installer/.gitignore b/src/pypa-installer/.gitignore
new file mode 100644
index 0000000..8b56c9f
--- /dev/null
+++ b/src/pypa-installer/.gitignore
@@ -0,0 +1,3 @@
+.cache/
+dist/
+root/
diff --git a/src/pypa-installer/changes.md b/src/pypa-installer/changes.md
new file mode 100644
index 0000000..1b1431d
--- /dev/null
+++ b/src/pypa-installer/changes.md
@@ -0,0 +1,2 @@
+# 0.7.0
+First version
diff --git a/src/pypa-installer/pkg.sh b/src/pypa-installer/pkg.sh
new file mode 100644
index 0000000..3c63912
--- /dev/null
+++ b/src/pypa-installer/pkg.sh
@@ -0,0 +1,23 @@
+# general info
+NAME="pypa-installer"
+DESC="Low-level library for installing from a python wheel distribution"
+VERSION="0.7.0"
+
+# required files
+FILES=("https://github.com/pypa/installer/archive/refs/tags/${VERSION}.tar.gz")
+HASHES=("e1589201863a6b6f570ce2f9994febe54a8d9196e0cc54fd331cd7ffd728fb86")
+
+# install and build depends
+DEPENDS=("python3")
+BUILD=()
+
+PACKAGE(){
+  tar xf "${VERSION}.tar.gz"
+  cd "installer-${VERSION}"
+
+  python3 -m build --wheel --skip-dependency-check --no-isolation
+  PYTHONPATH=src python3 -m installer --destdir="${ROOTDIR}" dist/*.whl
+  rm "${ROOTDIR}/usr/lib/python"*/site-packages/installer/_scripts/*.exe
+
+  cd .. && rm -r "installer-${VERSION}"
+}
diff --git a/src/pypa-packaging/.gitignore b/src/pypa-packaging/.gitignore
new file mode 100644
index 0000000..8b56c9f
--- /dev/null
+++ b/src/pypa-packaging/.gitignore
@@ -0,0 +1,3 @@
+.cache/
+dist/
+root/
diff --git a/src/pypa-packaging/changes.md b/src/pypa-packaging/changes.md
new file mode 100644
index 0000000..983f41f
--- /dev/null
+++ b/src/pypa-packaging/changes.md
@@ -0,0 +1,2 @@
+# 24.1
+First version
diff --git a/src/pypa-packaging/pkg.sh b/src/pypa-packaging/pkg.sh
new file mode 100644
index 0000000..3c1c272
--- /dev/null
+++ b/src/pypa-packaging/pkg.sh
@@ -0,0 +1,22 @@
+# general info
+NAME="pypa-packaging"
+DESC="Core utilities for Python packages"
+VERSION="24.1"
+
+# required files
+FILES=("https://github.com/pypa/packaging/archive/refs/tags/${VERSION}.tar.gz")
+HASHES=("45836ea0e7531c485a7d5e568f9740c7f075ff1b72a0d60422c5b76c031866428ff2137d9bd153790a9fcfff6bd4a7555bc40555409ad46debae7f1c9c1fe129")
+
+# install and build depends
+DEPENDS=("python3")
+BUILD=("pypi-flit-core")
+
+PACKAGE(){
+  tar xf "${VERSION}.tar.gz"
+  cd "packaging-${VERSION}"
+
+  python3 -m build --wheel --skip-dependency-check --no-isolation
+  PYTHONPATH=src python3 -m installer --destdir="${ROOTDIR}" dist/*.whl
+
+  cd .. && rm -r "packaging-${VERSION}"
+}