diff --git a/CHANGELOG.md b/CHANGELOG.md
index a087ea2..03fded8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # HalfAPI
 
+## 0.6.13
+
+- (rollback from 0.6.12) Remove pytest from dependencies in Docker file and
+  remove tests
+- (dep) Add "packaging" dependency
+- Add dependency check capability when instantiating a domain (__deps__
+  variable, see in dummy_domain)
+
 ## 0.6.12
 
 - Installs pytest with dependencies in Docker image, tests when building image
diff --git a/Pipfile b/Pipfile
index b51a41c..c159fb8 100644
--- a/Pipfile
+++ b/Pipfile
@@ -25,7 +25,7 @@ timing-asgi = ">=0.2.1,<1"
 schema = ">=0.7.4,<1"
 toml = "*"
 pip = "*"
-packaging = "*"
+packaging = ">=19.0"
 
 [scripts]
 halfapi = "python -m halfapi"
diff --git a/halfapi/__init__.py b/halfapi/__init__.py
index a9f9cee..a007103 100644
--- a/halfapi/__init__.py
+++ b/halfapi/__init__.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-__version__ = '0.6.12'
+__version__ = '0.6.13'
 
 def version():
     return f'HalfAPI version:{__version__}'
diff --git a/requirements.txt b/requirements.txt
index 6ccc65b..17982b7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,61 @@
-click
-starlette
-uvicorn
-PyJWT
-pygit2==0.28.2
+alog==0.9.13
+anyio==3.4.0
+asgiref==3.4.1
+astroid==2.9.0
+attrs==21.2.0
+bleach==4.1.0
+build==0.7.0
+certifi==2021.10.8
+cffi==1.15.0
+charset-normalizer==2.0.9
+click==7.1.2
+colorama==0.4.4
+contextlib2==21.6.0
+cryptography==36.0.1
+docutils==0.18.1
+h11==0.12.0
+idna==3.3
+importlib-metadata==4.8.2
+iniconfig==1.1.1
+isort==5.10.1
+jeepney==0.7.1
+keyring==23.4.0
+lazy-object-proxy==1.7.1
+mccabe==0.6.1
+orjson==3.6.5
+packaging==21.3
+pep517==0.12.0
+pkginfo==1.8.2
+platformdirs==2.4.0
+pluggy==1.0.0
+py==1.11.0
+pycparser==2.21
+pyflakes==2.4.0
+Pygments==2.10.0
+PyJWT==2.3.0
+pylint==2.12.2
+pyparsing==3.0.6
+pytest==6.2.5
+pytest-asyncio==0.16.0
+pytest-pythonpath==0.7.3
+PyYAML==5.4.1
+readme-renderer==32.0
+requests==2.26.0
+requests-toolbelt==0.9.1
+rfc3986==1.5.0
+schema==0.7.5
+SecretStorage==3.3.1
+six==1.16.0
+sniffio==1.2.0
+starlette==0.17.1
+timing-asgi==0.2.1
+toml==0.10.2
+tomli==2.0.0
+tqdm==4.62.3
+twine==3.7.1
+urllib3==1.26.7
+uvicorn==0.16.0
+vulture==2.3
+webencodings==0.5.1
+wrapt==1.13.3
+zipp==3.6.0
diff --git a/setup.py b/setup.py
index a3e4aff..6891fd2 100755
--- a/setup.py
+++ b/setup.py
@@ -51,7 +51,8 @@ setup(
         "pyyaml>=5.3.1,<6",
         "timing-asgi>=0.2.1,<1",
         "schema>=0.7.4,<1",
-        "toml>=0.7.1,<0.8"
+        "toml>=0.7.1,<0.8",
+        "packaging>=19.0"
     ],
     classifiers=[
         "Development Status :: 3 - Alpha",