diff --git a/projects/pypa.github.io/pipx/package.yml b/projects/pypa.github.io/pipx/package.yml
index bb4134ad..945b8995 100644
--- a/projects/pypa.github.io/pipx/package.yml
+++ b/projects/pypa.github.io/pipx/package.yml
@@ -6,13 +6,17 @@ versions:
   github: pypa/pipx
 
 dependencies:
-  python.org: '>=3<3.12'
+  pkgx.sh: ^1
 
 build:
-  python-venv.sh "{{prefix}}"/bin/pipx
+  dependencies:
+    python.org: '>=3<3.12'
+  script:
+    - bkpyvenv stage '{{prefix}}' {{version}}
+    - ${{prefix}}/venv/bin/pip install .
+    - bkpyvenv seal '{{prefix}}' pipx
 
-test:
-  pipx run pycowsay moooo!
+test: pipx run pycowsay moooo!
 
 provides:
   - bin/pipx
diff --git a/projects/virtualenv.pypa.io/package.yml b/projects/virtualenv.pypa.io/package.yml
index 6d92c189..fb9bf718 100644
--- a/projects/virtualenv.pypa.io/package.yml
+++ b/projects/virtualenv.pypa.io/package.yml
@@ -3,14 +3,24 @@ distributable:
   strip-components: 1
 
 versions:
-  github: pypa/virtualenv/releases/tags  # reads github *releases* but uses the tags of those releases
+  github: pypa/virtualenv/releases/tags # reads github *releases* but uses the tags of those releases
   strip: /^v/
 
 dependencies:
-  python.org: '>=3.7<3.12'
+  pkgx.sh: ^1
+  libexpat.github.io: ^2
+  openssl.org: ^1.1
 
 build:
-  python-venv.sh {{prefix}}/bin/virtualenv
+  dependencies:
+    python.org: '>=3.7<3.12'
+  script:
+    - bkpyvenv stage '{{prefix}}' {{version}}
+    - ${{prefix}}/venv/bin/pip install .
+    - bkpyvenv seal '{{prefix}}' virtualenv
+    # needs this to find its libpython on linux
+    - run: cp '{{deps.python.org.prefix}}/lib/libpython'* .
+      working-directory: '{{prefix}}/lib'
 
 test:
   script: |