diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index b422419bb98..95b4d8c3599 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -40,7 +40,7 @@ jobs:
       run: |
         echo ::set-output name=tag::${GITHUB_REF#refs/tags/}
     - name: Set up Python 3.8
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v2
       with:
         python-version: "3.8"
     - name: Install Poetry
@@ -58,17 +58,19 @@ jobs:
         curl -L https://github.com/sdispater/python-binaries/releases/download/3.5.9/python-3.5.9.macos.tar.xz -o python-3.5.9.tar.xz
         curl -L https://github.com/sdispater/python-binaries/releases/download/3.6.8/python-3.6.8.macos.tar.xz -o python-3.6.8.tar.xz
         curl -L https://github.com/sdispater/python-binaries/releases/download/3.7.6/python-3.7.6.macos.tar.xz -o python-3.7.6.tar.xz
-        curl -L https://github.com/sdispater/python-binaries/releases/download/3.8.2/python-3.8.2.macos.tar.xz -o python-3.8.2.tar.xz
+        curl -L https://github.com/sdispater/python-binaries/releases/download/3.8.3/python-3.8.3.macos.tar.xz -o python-3.8.3.tar.xz
+        curl -L https://github.com/sdispater/python-binaries/releases/download/3.9.0b4/python-3.9.0b4.macos.tar.xz -o python-3.9.0b4.tar.xz
         tar -zxf python-2.7.17.tar.xz
         tar -zxf python-3.4.10.tar.xz
         tar -zxf python-3.5.9.tar.xz
         tar -zxf python-3.6.8.tar.xz
         tar -zxf python-3.7.6.tar.xz
-        tar -zxf python-3.8.2.tar.xz
+        tar -zxf python-3.8.3.tar.xz
+        tar -zxf python-3.9.0b4.tar.xz
     - name: Build specific release
       run: |
         source $HOME/.poetry/env
-        poetry run python sonnet make release --ansi -P "2.7:python-2.7.17/bin/python" -P "3.4:python-3.4.10/bin/python" -P "3.5:python-3.5.9/bin/python" -P "3.6:python-3.6.8/bin/python" -P "3.7:python-3.7.6/bin/python" -P "3.8:python-3.8.2/bin/python"
+        poetry run python sonnet make release --ansi -P "2.7:python-2.7.17/bin/python" -P "3.4:python-3.4.10/bin/python" -P "3.5:python-3.5.9/bin/python" -P "3.6:python-3.6.8/bin/python" -P "3.7:python-3.7.6/bin/python" -P "3.8:python-3.8.3/bin/python" -P "3.9:python-3.9.0b4/bin/python"
     - name: Upload release file
       uses: actions/upload-artifact@v1
       with:
@@ -91,7 +93,7 @@ jobs:
       run: |
         echo ::set-output name=tag::${GITHUB_REF#refs/tags/}
     - name: Set up Python 3.8
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v2
       with:
         python-version: "3.8"
     - name: Install Poetry
@@ -109,23 +111,26 @@ jobs:
         Invoke-WebRequest https://github.com/sdispater/python-binaries/releases/download/3.5.4/python-3.5.4.windows.tar.xz -O python-3.5.4.tar.xz
         Invoke-WebRequest https://github.com/sdispater/python-binaries/releases/download/3.6.8/python-3.6.8.windows.tar.xz -O python-3.6.8.tar.xz
         Invoke-WebRequest https://github.com/sdispater/python-binaries/releases/download/3.7.6/python-3.7.6.windows.tar.xz -O python-3.7.6.tar.xz
-        Invoke-WebRequest https://github.com/sdispater/python-binaries/releases/download/3.8.2/python-3.8.2.windows.tar.xz -O python-3.8.2.tar.xz
+        Invoke-WebRequest https://github.com/sdispater/python-binaries/releases/download/3.8.3/python-3.8.3.windows.tar.xz -O python-3.8.3.tar.xz
+        Invoke-WebRequest https://github.com/sdispater/python-binaries/releases/download/3.9.0b4/python-3.9.0b4.windows.tar.xz -O python-3.9.0b4.tar.xz
         7z x python-2.7.17.tar.xz
         7z x python-3.4.4.tar.xz
         7z x python-3.5.4.tar.xz
         7z x python-3.6.8.tar.xz
         7z x python-3.7.6.tar.xz
-        7z x python-3.8.2.tar.xz
+        7z x python-3.8.3.tar.xz
+        7z x python-3.9.0b4.tar.xz
         7z x python-2.7.17.tar
         7z x python-3.4.4.tar
         7z x python-3.5.4.tar
         7z x python-3.6.8.tar
         7z x python-3.7.6.tar
-        7z x python-3.8.2.tar
+        7z x python-3.8.3.tar
+        7z x python-3.9.0b4.tar
     - name: Build specific release
       run: |
         $env:Path += ";$env:Userprofile\.poetry\bin"
-        poetry run python sonnet make release --ansi -P "2.7:python-2.7.17\python.exe" -P "3.4:python-3.4.4\python.exe" -P "3.5:python-3.5.4\python.exe" -P "3.6:python-3.6.8\python.exe" -P "3.7:python-3.7.6\python.exe" -P "3.8:python-3.8.2\python.exe"
+        poetry run python sonnet make release --ansi -P "2.7:python-2.7.17\python.exe" -P "3.4:python-3.4.4\python.exe" -P "3.5:python-3.5.4\python.exe" -P "3.6:python-3.6.8\python.exe" -P "3.7:python-3.7.6\python.exe" -P "3.8:python-3.8.3\python.exe" -P "3.9:python-3.9.0b4\python.exe"
     - name: Upload release file
       uses: actions/upload-artifact@v1
       with:
@@ -242,6 +247,10 @@ jobs:
           asset_path: releases/poetry-${{ steps.tag.outputs.tag }}-win32.sha256sum
           asset_name: poetry-${{ steps.tag.outputs.tag }}-win32.sha256sum
           asset_content_type: text/plain
+      - name: Set up Python 3.8
+        uses: actions/setup-python@v2
+        with:
+          python-version: "3.8"
       - name: Install Poetry
         run: |
           python get-poetry.py --preview -y
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a00edcf837a..9035bddc271 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,20 @@
 # Change Log
 
+## [1.0.10] - 2020-07-21
+
+### Changed
+
+- The lock files are now versioned to ease transitions for lock file format changes, with warnings being displayed on incompatibility detection ([#2695](https://github.com/python-poetry/poetry/pull/2695)).
+- The `init` and `new` commands will now provide hints on invalid given licenses ([#1634](https://github.com/python-poetry/poetry/pull/1634)).
+
+### Fixed
+
+- Fixed error messages when the authors specified in the `pyproject.toml` file are invalid ([#2525](https://github.com/python-poetry/poetry/pull/2525)).
+- Fixed empty `.venv` directories being deleted ([#2064](https://github.com/python-poetry/poetry/pull/2064)).
+- Fixed the `shell` command for `tcsh` shells ([#2583](https://github.com/python-poetry/poetry/pull/2583)).
+- Fixed errors when installing directory or file dependencies in some cases ([#2582](https://github.com/python-poetry/poetry/pull/2582)).
+
+
 ## [1.0.9] - 2020-06-09
 
 ### Fixed
@@ -868,7 +883,8 @@ Initial release
 
 
 
-[Unreleased]: https://github.com/python-poetry/poetry/compare/1.0.9...master
+[Unreleased]: https://github.com/python-poetry/poetry/compare/1.0.10...master
+[1.0.10]: https://github.com/python-poetry/poetry/releases/tag/1.0.10
 [1.0.9]: https://github.com/python-poetry/poetry/releases/tag/1.0.9
 [1.0.8]: https://github.com/python-poetry/poetry/releases/tag/1.0.8
 [1.0.7]: https://github.com/python-poetry/poetry/releases/tag/1.0.7
diff --git a/Makefile b/Makefile
index 2e57c3b947c..3d58f7a7d1a 100644
--- a/Makefile
+++ b/Makefile
@@ -48,7 +48,15 @@ wheel:
 
 linux_release:
 	docker pull quay.io/pypa/manylinux2010_x86_64
-	docker run --rm -i -v `pwd`:/io quay.io/pypa/manylinux2010_x86_64 /io/make-linux-release.sh
+	docker run --rm -i -v `pwd`:/io \
+		-e PYTHON=/opt/python/cp38-cp38/bin/python \
+		-e PYTHON27=/opt/python/cp27-cp27m/bin/python \
+		-e PYTHON35=/opt/python/cp35-cp35m/bin/python \
+		-e PYTHON36=/opt/python/cp36-cp36m/bin/python \
+		-e PYTHON37=/opt/python/cp37-cp37m/bin/python \
+		-e PYTHON38=/opt/python/cp38-cp38/bin/python \
+		-e PYTHON39=/opt/python/cp39-cp39/bin/python \
+		quay.io/pypa/manylinux2010_x86_64 sh -c "cd /io && ./make-linux-release.sh"
 
 # run tests against all supported python versions
 tox:
diff --git a/make-linux-release.sh b/make-linux-release.sh
index 8d76ca021c3..631bb65b5b3 100755
--- a/make-linux-release.sh
+++ b/make-linux-release.sh
@@ -1,15 +1,15 @@
-#!/bin/bash
-PYTHON_VERSIONS="cp27-cp27m cp35-cp35m cp36-cp36m cp37-cp37m cp38-cp38"
+#!/bin/sh
 
-cd /io
-/opt/python/cp37-cp37m/bin/pip install pip -U
-/opt/python/cp37-cp37m/bin/pip install poetry -U --pre
-/opt/python/cp37-cp37m/bin/poetry config virtualenvs.create false
-/opt/python/cp37-cp37m/bin/poetry install --no-dev
-/opt/python/cp37-cp37m/bin/python sonnet make release --ansi \
-    -P "2.7:/opt/python/cp27-cp27m/bin/python" \
-    -P "3.5:/opt/python/cp35-cp35m/bin/python" \
-    -P "3.6:/opt/python/cp36-cp36m/bin/python" \
-    -P "3.7:/opt/python/cp37-cp37m/bin/python" \
-    -P "3.8:/opt/python/cp38-cp38/bin/python"
-cd -
+set -e
+
+test -n "$PYTHON" || PYTHON="python3"
+$PYTHON get-poetry.py -y
+$PYTHON $HOME/.poetry/bin/poetry config virtualenvs.create false
+$PYTHON $HOME/.poetry/bin/poetry install --no-dev
+$PYTHON $HOME/.poetry/bin/poetry run python sonnet make release \
+    ${PYTHON27:+-P "2.7:$PYTHON27"} \
+    ${PYTHON35:+-P "3.5:$PYTHON35"} \
+    ${PYTHON36:+-P "3.6:$PYTHON36"} \
+    ${PYTHON37:+-P "3.7:$PYTHON37"} \
+    ${PYTHON38:+-P "3.8:$PYTHON38"} \
+    ${PYTHON39:+-P "3.9:$PYTHON39"}
diff --git a/poetry.lock b/poetry.lock
index 8d423ed68f9..7697e01c60e 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -113,7 +113,7 @@ description = "Python package for providing Mozilla's CA Bundle."
 name = "certifi"
 optional = false
 python-versions = "*"
-version = "2020.4.5.1"
+version = "2020.6.20"
 
 [[package]]
 category = "main"
@@ -160,7 +160,7 @@ clikit = ">=0.4.0,<0.5.0"
 [[package]]
 category = "dev"
 description = "Composable command line interface toolkit"
-marker = "python_version >= \"2.7.9\" and python_version < \"2.8.0\" or python_version >= \"3.4\" and python_version < \"4.0\" or python_version >= \"3.6\" and python_version < \"4.0\""
+marker = "python_version >= \"2.7.9\" and python_version < \"2.8.0\" and python_full_version >= \"2.7.9\" and python_full_version < \"2.8.0\" or python_version >= \"3.4\" and python_version < \"4.0\" and python_full_version >= \"2.7.9\" and python_full_version < \"2.8.0\" or python_version >= \"3.4\" and python_version < \"4.0\" or python_version >= \"2.7.9\" and python_version < \"2.8.0\" or python_version >= \"3.6\" and python_version < \"4.0\""
 name = "click"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
@@ -169,7 +169,7 @@ version = "7.1.2"
 [[package]]
 category = "dev"
 description = "Composable command line interface toolkit"
-marker = "python_version >= \"2.7.9\" and python_version < \"2.8.0\" or python_version >= \"3.4\" and python_version < \"4.0\""
+marker = "python_version >= \"2.7.9\" and python_version < \"2.8.0\" and python_full_version >= \"2.7.9\" and python_full_version < \"2.8.0\" or python_version >= \"3.4\" and python_version < \"4.0\" and python_full_version >= \"2.7.9\" and python_full_version < \"2.8.0\" or python_version >= \"3.4\" and python_version < \"4.0\""
 name = "click"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
@@ -253,7 +253,7 @@ description = "Code coverage measurement for Python"
 name = "coverage"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, <4"
-version = "5.1"
+version = "5.2"
 
 [package.extras]
 toml = ["toml"]
@@ -285,7 +285,7 @@ marker = "python_version >= \"2.7\" and python_version < \"2.8\" and (sys_platfo
 name = "cryptography"
 optional = false
 python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*"
-version = "2.9.2"
+version = "3.0"
 
 [package.dependencies]
 cffi = ">=1.8,<1.11.3 || >1.11.3"
@@ -300,10 +300,11 @@ python = "<3"
 version = "*"
 
 [package.extras]
-docs = ["sphinx (>=1.6.5,<1.8.0 || >1.8.0)", "sphinx-rtd-theme"]
+docs = ["sphinx (>=1.6.5,<1.8.0 || >1.8.0,<3.1.0 || >3.1.0,<3.1.1 || >3.1.1)", "sphinx-rtd-theme"]
 docstest = ["doc8", "pyenchant (>=1.6.11)", "twine (>=1.12.0)", "sphinxcontrib-spelling (>=4.0.1)"]
 idna = ["idna (>=2.1)"]
-pep8test = ["flake8", "flake8-import-order", "pep8-naming"]
+pep8test = ["black", "flake8", "flake8-import-order", "pep8-naming"]
+ssh = ["bcrypt (>=3.1.5)"]
 test = ["pytest (>=3.6.0,<3.9.0 || >3.9.0,<3.9.1 || >3.9.1,<3.9.2 || >3.9.2)", "pretend", "iso8601", "pytz", "hypothesis (>=1.11.4,<3.79.2 || >3.79.2)"]
 
 [[package]]
@@ -312,7 +313,7 @@ description = "Distribution utilities"
 name = "distlib"
 optional = false
 python-versions = "*"
-version = "0.3.0"
+version = "0.3.1"
 
 [[package]]
 category = "main"
@@ -409,6 +410,24 @@ datrie = ["datrie"]
 genshi = ["genshi"]
 lxml = ["lxml"]
 
+[[package]]
+category = "main"
+description = "HTML parser based on the WHATWG HTML specification"
+name = "html5lib"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+version = "1.1"
+
+[package.dependencies]
+six = ">=1.9"
+webencodings = "*"
+
+[package.extras]
+all = ["genshi", "chardet (>=2.2)", "lxml"]
+chardet = ["chardet (>=2.2)"]
+genshi = ["genshi"]
+lxml = ["lxml"]
+
 [[package]]
 category = "dev"
 description = "HTTP client mock for Python"
@@ -426,7 +445,7 @@ description = "File identification library for Python"
 name = "identify"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
-version = "1.4.19"
+version = "1.4.24"
 
 [package.extras]
 license = ["editdistance"]
@@ -445,7 +464,7 @@ description = "Internationalized Domain Names in Applications (IDNA)"
 name = "idna"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.9"
+version = "2.10"
 
 [[package]]
 category = "main"
@@ -491,17 +510,13 @@ marker = "python_version < \"3.7\""
 name = "importlib-resources"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
-version = "1.5.0"
+version = "3.0.0"
 
 [package.dependencies]
 [package.dependencies.contextlib2]
 python = "<3"
 version = "*"
 
-[package.dependencies.importlib-metadata]
-python = "<3.8"
-version = "*"
-
 [package.dependencies.pathlib2]
 python = "<3"
 version = "*"
@@ -545,7 +560,7 @@ dev = ["testpath"]
 [[package]]
 category = "dev"
 description = "A very fast and expressive template engine."
-marker = "python_version >= \"2.7.9\" and python_version < \"2.8.0\" or python_version >= \"3.4\" and python_version < \"4.0\""
+marker = "python_version >= \"2.7.9\" and python_version < \"2.8.0\" and python_full_version >= \"2.7.9\" and python_full_version < \"2.8.0\" or python_version >= \"3.4\" and python_version < \"4.0\" and python_full_version >= \"2.7.9\" and python_full_version < \"2.8.0\" or python_version >= \"3.4\" and python_version < \"4.0\""
 name = "jinja2"
 optional = false
 python-versions = "*"
@@ -560,7 +575,7 @@ i18n = ["Babel (>=0.8)"]
 [[package]]
 category = "dev"
 description = "A very fast and expressive template engine."
-marker = "python_version >= \"2.7.9\" and python_version < \"2.8.0\" or python_version >= \"3.4\" and python_version < \"4.0\""
+marker = "python_version >= \"2.7.9\" and python_version < \"2.8.0\" and python_full_version >= \"2.7.9\" and python_full_version < \"2.8.0\" or python_version >= \"3.4\" and python_version < \"4.0\" and python_full_version >= \"2.7.9\" and python_full_version < \"2.8.0\" or python_version >= \"3.4\" and python_version < \"4.0\" or python_version >= \"2.7.9\" and python_version < \"2.8.0\""
 name = "jinja2"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
@@ -652,15 +667,22 @@ testing = ["pytest (>=3.5,<3.7.3 || >3.7.3)", "pytest-checkdocs (>=1.2.3)", "pyt
 [[package]]
 category = "dev"
 description = "Python LiveReload is an awesome tool for web developers"
-marker = "python_version >= \"2.7.9\" and python_version < \"2.8.0\" or python_version >= \"3.4\" and python_version < \"4.0\""
+marker = "python_version >= \"2.7.9\" and python_version < \"2.8.0\" and python_full_version >= \"2.7.9\" and python_full_version < \"2.8.0\" or python_version >= \"3.4\" and python_version < \"4.0\" and python_full_version >= \"2.7.9\" and python_full_version < \"2.8.0\" or python_version >= \"3.4\" and python_version < \"4.0\" or python_version >= \"2.7.9\" and python_version < \"2.8.0\""
 name = "livereload"
 optional = false
 python-versions = "*"
-version = "2.6.1"
+version = "2.6.2"
 
 [package.dependencies]
 six = "*"
-tornado = "*"
+
+[[package.dependencies.tornado]]
+python = ">=2.7,<2.8"
+version = "<6"
+
+[[package.dependencies.tornado]]
+python = ">=2.8"
+version = "*"
 
 [[package]]
 category = "main"
@@ -743,7 +765,7 @@ markdown = "*"
 [[package]]
 category = "dev"
 description = "Safely add untrusted strings to HTML/XML markup."
-marker = "python_version >= \"2.7.9\" and python_version < \"2.8.0\" or python_version >= \"3.4\" and python_version < \"4.0\""
+marker = "python_version >= \"2.7.9\" and python_version < \"2.8.0\" and python_full_version >= \"2.7.9\" and python_full_version < \"2.8.0\" or python_version >= \"3.4\" and python_version < \"4.0\" and python_full_version >= \"2.7.9\" and python_full_version < \"2.8.0\" or python_version >= \"3.4\" and python_version < \"4.0\" or python_version >= \"2.7.9\" and python_version < \"2.8.0\""
 name = "markupsafe"
 optional = false
 python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*"
@@ -836,7 +858,7 @@ marker = "python_version >= \"3.5\""
 name = "more-itertools"
 optional = false
 python-versions = ">=3.5"
-version = "8.3.0"
+version = "8.4.0"
 
 [[package]]
 category = "main"
@@ -1035,7 +1057,7 @@ description = "library with cross-python path, ini-parsing, io, code, log facili
 name = "py"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "1.8.1"
+version = "1.9.0"
 
 [[package]]
 category = "main"
@@ -1241,11 +1263,11 @@ description = "Pytest plugin for measuring coverage."
 name = "pytest-cov"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "2.9.0"
+version = "2.10.0"
 
 [package.dependencies]
 coverage = ">=4.4"
-pytest = ">=3.6"
+pytest = ">=4.6"
 
 [package.extras]
 testing = ["fields", "hunter", "process-tests (2.0.2)", "six", "pytest-xdist", "virtualenv"]
@@ -1274,7 +1296,7 @@ description = "pytest-sugar is a plugin for pytest that changes the default look
 name = "pytest-sugar"
 optional = false
 python-versions = "*"
-version = "0.9.3"
+version = "0.9.4"
 
 [package.dependencies]
 packaging = ">=14.1"
@@ -1313,7 +1335,7 @@ marker = "python_version >= \"2.7.9\" and python_version < \"2.8.0\" or python_v
 name = "regex"
 optional = false
 python-versions = "*"
-version = "2020.5.14"
+version = "2020.7.14"
 
 [[package]]
 category = "main"
@@ -1339,7 +1361,7 @@ description = "Python HTTP for Humans."
 name = "requests"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "2.23.0"
+version = "2.24.0"
 
 [package.dependencies]
 certifi = ">=2017.4.17"
@@ -1476,7 +1498,7 @@ version = ">=3.6,<4.0"
 [[package]]
 category = "dev"
 description = "Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed."
-marker = "python_version >= \"2.7.9\" and python_version < \"2.8.0\" or python_version >= \"3.4\" and python_version < \"4.0\""
+marker = "python_version >= \"2.7.9\" and python_version < \"2.8.0\" and python_full_version >= \"2.7.9\" and python_full_version < \"2.8.0\" or python_version >= \"3.4\" and python_version < \"4.0\" and python_full_version >= \"2.7.9\" and python_full_version < \"2.8.0\" or python_version >= \"3.4\" and python_version < \"4.0\""
 name = "tornado"
 optional = false
 python-versions = ">= 2.7, !=3.0.*, !=3.1.*, !=3.2.*, != 3.3.*"
@@ -1518,7 +1540,7 @@ description = "tox is a generic virtualenv management and test command line tool
 name = "tox"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
-version = "3.15.1"
+version = "3.17.1"
 
 [package.dependencies]
 colorama = ">=0.4.1"
@@ -1545,7 +1567,7 @@ marker = "python_version >= \"2.7.9\" and python_version < \"2.8.0\" or python_v
 name = "tqdm"
 optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*"
-version = "4.46.1"
+version = "4.48.0"
 
 [package.extras]
 dev = ["py-make (>=0.1.0)", "twine", "argopt", "pydoc-markdown"]
@@ -1565,8 +1587,8 @@ description = "Type Hints for Python"
 marker = "python_version >= \"2.7\" and python_version < \"2.8\" or python_version >= \"3.4\" and python_version < \"3.5\" or python_version < \"3.5\""
 name = "typing"
 optional = false
-python-versions = "*"
-version = "3.7.4.1"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "3.7.4.3"
 
 [[package]]
 category = "main"
@@ -1620,11 +1642,11 @@ description = "Virtual Python Environment builder"
 name = "virtualenv"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
-version = "20.0.21"
+version = "20.0.27"
 
 [package.dependencies]
 appdirs = ">=1.4.3,<2"
-distlib = ">=0.3.0,<1"
+distlib = ">=0.3.1,<1"
 filelock = ">=3.0.0,<4"
 six = ">=1.9.0,<2"
 
@@ -1634,11 +1656,11 @@ version = ">=0.12,<2"
 
 [package.dependencies.importlib-resources]
 python = "<3.7"
-version = ">=1.0,<2"
+version = ">=1.0"
 
 [package.extras]
 docs = ["sphinx (>=3)", "sphinx-argparse (>=0.2.5)", "sphinx-rtd-theme (>=0.4.3)", "towncrier (>=19.9.0rc1)", "proselint (>=0.10.2)"]
-testing = ["pytest (>=4)", "coverage (>=5)", "coverage-enable-subprocess (>=1)", "pytest-xdist (>=1.31.0)", "pytest-mock (>=2)", "pytest-env (>=0.6.2)", "pytest-randomly (>=1)", "pytest-timeout", "packaging (>=20.0)", "xonsh (>=0.9.16)"]
+testing = ["pytest (>=4)", "coverage (>=5)", "coverage-enable-subprocess (>=1)", "pytest-xdist (>=1.31.0)", "pytest-mock (>=2)", "pytest-env (>=0.6.2)", "pytest-randomly (>=1)", "pytest-timeout (>=1)", "pytest-freezegun (>=0.4.1)", "flaky (>=3)", "packaging (>=20.0)", "xonsh (>=0.9.16)"]
 
 [[package]]
 category = "dev"
@@ -1647,7 +1669,7 @@ marker = "python_version < \"3.5\" or python_version >= \"3.5\""
 name = "wcwidth"
 optional = false
 python-versions = "*"
-version = "0.2.3"
+version = "0.2.5"
 
 [package.dependencies]
 [package.dependencies."backports.functools-lru-cache"]
@@ -1718,8 +1740,8 @@ cachy = [
     {file = "cachy-0.3.0.tar.gz", hash = "sha256:186581f4ceb42a0bbe040c407da73c14092379b1e4c0e327fdb72ae4a9b269b1"},
 ]
 certifi = [
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+    {file = "certifi-2020.6.20-py2.py3-none-any.whl", hash = "sha256:8fc0819f1f30ba15bdb34cceffb9ef04d99f420f68eb75d901e9560b8749fc41"},
+    {file = "certifi-2020.6.20.tar.gz", hash = "sha256:5930595817496dd21bb8dc35dad090f1c2cd0adfaf21204bf6732ca5d8ee34d3"},
 ]
 cffi = [
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@@ -1820,37 +1842,40 @@ coverage = [
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 ]
 cryptography = [
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@@ -1874,28 +1899,29 @@ cryptography = [
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 ]
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@@ -2274,6 +2306,7 @@ six = [
 ]
 subprocess32 = [
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 ]
 termcolor = [
@@ -2308,12 +2341,12 @@ tornado = [
 tox = [
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-    {file = "tox-3.15.1.tar.gz", hash = "sha256:8c9ad9b48659d291c5bc78bcabaa4d680d627687154b812fa52baedaa94f9f83"},
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+    {file = "tox-3.17.1.tar.gz", hash = "sha256:5968c07b3aeea715ac2fe723a912e0b6a0c53bebad24fc37eb559b7497f217fa"},
 ]
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@@ -2339,9 +2372,8 @@ typed-ast = [
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 ]
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+    {file = "typing-3.7.4.3.tar.gz", hash = "sha256:1187fb9c82fd670d10aa07bbb6cfcfe4bdda42d6fab8d5134f04e8c4d0b71cc9"},
 ]
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@@ -2357,12 +2389,12 @@ urllib3 = [
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+    {file = "virtualenv-20.0.27-py2.py3-none-any.whl", hash = "sha256:c51f1ba727d1614ce8fd62457748b469fbedfdab2c7e5dd480c9ae3fbe1233f1"},
+    {file = "virtualenv-20.0.27.tar.gz", hash = "sha256:26cdd725a57fef4c7c22060dba4647ebd8ca377e30d1c1cf547b30a0b79c43b4"},
 ]
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-    {file = "wcwidth-0.2.3.tar.gz", hash = "sha256:edbc2b718b4db6cdf393eefe3a420183947d6aa312505ce6754516f458ff8830"},
+    {file = "wcwidth-0.2.5-py2.py3-none-any.whl", hash = "sha256:beb4802a9cebb9144e99086eff703a642a13d6a0052920003a230f3294bbe784"},
+    {file = "wcwidth-0.2.5.tar.gz", hash = "sha256:c4d647b99872929fdb7bdcaa4fbe7f01413ed3d98077df798530e5b04f116c83"},
 ]
 webencodings = [
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diff --git a/poetry/__version__.py b/poetry/__version__.py
index 39e0411d5cd..9fd0f8dd6ae 100644
--- a/poetry/__version__.py
+++ b/poetry/__version__.py
@@ -1 +1 @@
-__version__ = "1.0.9"
+__version__ = "1.0.10"
diff --git a/pyproject.toml b/pyproject.toml
index 7a384698f2d..76dca20043e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "poetry"
-version = "1.0.9"
+version = "1.0.10"
 description = "Python dependency management and packaging made easy."
 authors = [
     "Sébastien Eustace <sebastien@eustace.io>"
diff --git a/sonnet b/sonnet
index dc4b541275d..4da23153ae4 100755
--- a/sonnet
+++ b/sonnet
@@ -30,6 +30,7 @@ class MakeReleaseCommand(Command):
         "3.6": "python3.6",
         "3.7": "python3.7",
         "3.8": "python3.8",
+        "3.9": "python3.9",
     }
 
     def handle(self):