diff --git a/Makefile b/Makefile
index 04d4227..2e8c4d5 100644
--- a/Makefile
+++ b/Makefile
@@ -43,7 +43,7 @@ else ifneq ($(QUICK),)
 	@printf "Skipping \033[36m%s\033[0m because \033[36m$$QUICK\033[0m is not empty.\n" $(target)
 else
 	@printf "Applying \033[36m%s\033[0m target...\n" $(target)
-	$(PIP) install $(PIP_INSTALL_OPTIONS) -U "pip ~=19.0" wheel
+	$(PIP) install $(PIP_INSTALL_OPTIONS) -U "pip ~=22.0" wheel
 	$(PIP) install $(PIP_INSTALL_OPTIONS) -U $(PYTHON_REQUIREMENTS_INLINE) -r $(PYTHON_REQUIREMENTS_FILE)
 	@mkdir -p .medikit; touch $@
 endif
@@ -61,7 +61,7 @@ else ifneq ($(QUICK),)
 	@printf "Skipping \033[36m%s\033[0m because \033[36m$$QUICK\033[0m is not empty.\n" $(target)
 else
 	@printf "Applying \033[36m%s\033[0m target...\n" $(target)
-	$(PIP) install $(PIP_INSTALL_OPTIONS) -U "pip ~=19.0" wheel
+	$(PIP) install $(PIP_INSTALL_OPTIONS) -U "pip ~=22.0" wheel
 	$(PIP) install $(PIP_INSTALL_OPTIONS) -U $(PYTHON_REQUIREMENTS_DEV_INLINE) -r $(PYTHON_REQUIREMENTS_DEV_FILE)
 	@mkdir -p .medikit; touch $@
 endif
@@ -78,7 +78,7 @@ else ifneq ($(QUICK),)
 	@printf "Skipping \033[36m%s\033[0m because \033[36m$$QUICK\033[0m is not empty.\n" $(target)
 else
 	@printf "Applying \033[36m%s\033[0m target...\n" $(target)
-	$(PIP) install $(PIP_INSTALL_OPTIONS) -U "pip ~=19.0" wheel
+	$(PIP) install $(PIP_INSTALL_OPTIONS) -U "pip ~=22.0" wheel
 	$(PIP) install $(PIP_INSTALL_OPTIONS) -U $(PYTHON_REQUIREMENTS_DOCKER_INLINE) -r $(PYTHON_REQUIREMENTS_DOCKER_FILE)
 	@mkdir -p .medikit; touch $@
 endif
@@ -92,7 +92,7 @@ else ifneq ($(QUICK),)
 	@printf "Skipping \033[36m%s\033[0m because \033[36m$$QUICK\033[0m is not empty.\n" $(target)
 else
 	@printf "Applying \033[36m%s\033[0m target...\n" $(target)
-	$(PIP) install $(PIP_INSTALL_OPTIONS) -U "pip ~=19.0" wheel
+	$(PIP) install $(PIP_INSTALL_OPTIONS) -U "pip ~=22.0" wheel
 	$(PIP) install $(PIP_INSTALL_OPTIONS) -U $(PYTHON_REQUIREMENTS_JUPYTER_INLINE) -r $(PYTHON_REQUIREMENTS_JUPYTER_FILE)
 	@mkdir -p .medikit; touch $@
 endif
@@ -106,7 +106,7 @@ else ifneq ($(QUICK),)
 	@printf "Skipping \033[36m%s\033[0m because \033[36m$$QUICK\033[0m is not empty.\n" $(target)
 else
 	@printf "Applying \033[36m%s\033[0m target...\n" $(target)
-	$(PIP) install $(PIP_INSTALL_OPTIONS) -U "pip ~=19.0" wheel
+	$(PIP) install $(PIP_INSTALL_OPTIONS) -U "pip ~=22.0" wheel
 	$(PIP) install $(PIP_INSTALL_OPTIONS) -U $(PYTHON_REQUIREMENTS_SQLALCHEMY_INLINE) -r $(PYTHON_REQUIREMENTS_SQLALCHEMY_FILE)
 	@mkdir -p .medikit; touch $@
 endif
@@ -125,7 +125,7 @@ format:   ## Reformats the whole codebase using our standards (requires black an
 	isort -rc -o mondrian -o whistle -y .
 
 medikit:   # Checks installed medikit version and updates it if it is outdated.
-	@$(PYTHON) -c 'import medikit, pip, sys; from packaging.version import Version; sys.exit(0 if (Version(medikit.__version__) >= Version("$(MEDIKIT_VERSION)")) and (Version(pip.__version__) < Version("10")) else 1)' || $(PYTHON) -m pip install -U "pip ~=19.0" "medikit>=$(MEDIKIT_VERSION)"
+	@$(PYTHON) -c 'import medikit, pip, sys; from packaging.version import Version; sys.exit(0 if (Version(medikit.__version__) >= Version("$(MEDIKIT_VERSION)")) and (Version(pip.__version__) < Version("10")) else 1)' || $(PYTHON) -m pip install -U "pip ~=22.0" "medikit>=$(MEDIKIT_VERSION)"
 
 update: medikit  ## Update project artifacts using medikit.
 	$(MEDIKIT) update $(MEDIKIT_UPDATE_OPTIONS)
diff --git a/Projectfile b/Projectfile
index d6ab52b..b1036aa 100644
--- a/Projectfile
+++ b/Projectfile
@@ -45,9 +45,9 @@ python.add_requirements(
     'cached-property ~=1.4',
     'fs ~=2.0',
     'graphviz >=0.8,<0.9',
-    'jinja2 ~=2.9',
+    'jinja2',
     'mondrian ~=0.8',
-    'packaging ~=19.0',
+    'packaging',
     'psutil ~=5.4',
     'python-slugify ~=1.2.0',
     'requests ~=2.0',
@@ -74,7 +74,7 @@ python.add_requirements(
 @listen(make.on_generate)
 def on_make_generate(event):
     makefile = event.makefile
-    
+
     # Sphinx
     makefile['SPHINX_AUTOBUILD'] = '$(PYTHON_DIRNAME)/sphinx-autobuild'
     makefile.add_target(
@@ -95,7 +95,4 @@ def on_make_generate(event):
     )
 
 
-
-
-
 # vim: ft=python:
diff --git a/bonobo/_version.py b/bonobo/_version.py
index 7034239..ad14b63 100644
--- a/bonobo/_version.py
+++ b/bonobo/_version.py
@@ -1 +1 @@
-__version__ = '0.7.0rc2'
+__version__ = '0.7.0rc3'
diff --git a/bonobo/util/collections.py b/bonobo/util/collections.py
index e573f26..b4fa08d 100644
--- a/bonobo/util/collections.py
+++ b/bonobo/util/collections.py
@@ -1,6 +1,6 @@
 import bisect
 import functools
-from collections import Sequence
+from collections.abc import Sequence
 
 
 class sortedlist(list):
@@ -26,7 +26,8 @@ def _with_length_check(f):
         if length is not None:
             if length != len(result):
                 raise TypeError(
-                    "Length check failed, expected {} fields but got {}: {!r}.".format(length, len(result), result)
+                    "Length check failed, expected {} fields but got {}: {!r}.".format(
+                        length, len(result), result)
                 )
         return result
 
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 45fa213..e6a0071 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -20,9 +20,9 @@ jinja2-time==0.2.0
 jinja2==2.10.1
 markupsafe==1.1.1
 more-itertools==7.1.0
-packaging==19.0
+packaging
 pathlib2==2.3.4
-pluggy==0.12.0
+pluggy==1.0.0
 poyo==0.4.2
 py==1.8.0
 pygments==2.4.2
diff --git a/requirements-docker.txt b/requirements-docker.txt
index 3415194..6612d75 100644
--- a/requirements-docker.txt
+++ b/requirements-docker.txt
@@ -13,7 +13,7 @@ idna==2.8
 jinja2==2.10.1
 markupsafe==1.1.1
 mondrian==0.8.0
-packaging==19.0
+packaging
 pbr==5.4.1
 psutil==5.6.3
 pyparsing==2.4.0
diff --git a/requirements-sqlalchemy.txt b/requirements-sqlalchemy.txt
index 56c694a..1e386c3 100644
--- a/requirements-sqlalchemy.txt
+++ b/requirements-sqlalchemy.txt
@@ -11,7 +11,7 @@ idna==2.8
 jinja2==2.10.1
 markupsafe==1.1.1
 mondrian==0.8.0
-packaging==19.0
+packaging
 pbr==5.4.1
 psutil==5.6.3
 pyparsing==2.4.0
diff --git a/requirements.txt b/requirements.txt
index 2ce19be..456534f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ idna==2.8
 jinja2==2.10.1
 markupsafe==1.1.1
 mondrian==0.8.0
-packaging==19.0
+packaging
 pbr==5.4.1
 psutil==5.6.3
 pyparsing==2.4.0
diff --git a/setup.py b/setup.py
index 95dd854..cf21dec 100644
--- a/setup.py
+++ b/setup.py
@@ -26,7 +26,12 @@ except:
     long_description = ''
 
 # Get the classifiers from the classifiers file
-tolines = lambda c: list(filter(None, map(lambda s: s.strip(), c.split('\n'))))
+
+
+def tolines(c): return list(
+    filter(None, map(lambda s: s.strip(), c.split('\n'))))
+
+
 try:
     with open(path.join(here, 'classifiers.txt'), encoding='utf-8') as f:
         classifiers = tolines(f.read())
@@ -49,9 +54,8 @@ setup(
         'bonobo/contrib/jupyter/static/index.js',
         'bonobo/contrib/jupyter/static/index.js.map'
     ])],
-    description=
-    ('Bonobo, a simple, modern and atomic extract-transform-load toolkit for '
-     'python 3.5+.'),
+    description=('Bonobo, a simple, modern and atomic extract-transform-load toolkit for '
+                 'python 3.5+.'),
     license='Apache License, Version 2.0',
     name='bonobo',
     python_requires='>=3.5',
@@ -62,7 +66,7 @@ setup(
     include_package_data=True,
     install_requires=[
         'cached-property ~= 1.4', 'fs ~= 2.0', 'graphviz >= 0.8, < 0.9',
-        'jinja2 ~= 2.9', 'mondrian ~= 0.8', 'packaging ~= 19.0',
+        'jinja2', 'mondrian ~= 0.8', 'packaging',
         'psutil ~= 5.4', 'python-slugify ~= 1.2.0', 'requests ~= 2.0',
         'stevedore ~= 1.27', 'whistle ~= 1.0'
     ],