diff --git a/poetry.lock b/poetry.lock
index 420c0a7c6..0bd208bff 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -37,13 +37,13 @@ description = "Classes Without Boilerplate"
 name = "attrs"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "19.3.0"
+version = "20.2.0"
 
 [package.extras]
-azure-pipelines = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "pytest-azurepipelines"]
-dev = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "sphinx", "pre-commit"]
-docs = ["sphinx", "zope.interface"]
-tests = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
+dev = ["coverage (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "sphinx", "sphinx-rtd-theme", "pre-commit"]
+docs = ["sphinx", "sphinx-rtd-theme", "zope.interface"]
+tests = ["coverage (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
+tests_no_zope = ["coverage (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six"]
 
 [[package]]
 category = "main"
@@ -70,7 +70,7 @@ description = "Foreign Function Interface for Python calling C code."
 name = "cffi"
 optional = false
 python-versions = "*"
-version = "1.14.1"
+version = "1.14.3"
 
 [package.dependencies]
 pycparser = "*"
@@ -81,7 +81,7 @@ description = "Validate configuration and produce human readable error messages.
 name = "cfgv"
 optional = false
 python-versions = ">=3.6.1"
-version = "3.1.0"
+version = "3.2.0"
 
 [[package]]
 category = "main"
@@ -125,7 +125,7 @@ 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 = "5.2.1"
+version = "5.3"
 
 [package.extras]
 toml = ["toml"]
@@ -148,17 +148,17 @@ description = "cryptography is a package which provides cryptographic recipes an
 name = "cryptography"
 optional = false
 python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*"
-version = "2.9.2"
+version = "3.1.1"
 
 [package.dependencies]
 cffi = ">=1.8,<1.11.3 || >1.11.3"
 six = ">=1.4.1"
 
 [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]]
@@ -207,7 +207,7 @@ description = "File identification library for Python"
 name = "identify"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
-version = "1.4.25"
+version = "1.5.5"
 
 [package.extras]
 license = ["editdistance"]
@@ -310,7 +310,7 @@ description = "More routines for operating on iterables, beyond itertools"
 name = "more-itertools"
 optional = false
 python-versions = ">=3.5"
-version = "8.4.0"
+version = "8.5.0"
 
 [[package]]
 category = "main"
@@ -338,7 +338,7 @@ description = "Node.js virtual environment builder"
 name = "nodeenv"
 optional = false
 python-versions = "*"
-version = "1.4.0"
+version = "1.5.0"
 
 [[package]]
 category = "main"
@@ -357,8 +357,8 @@ category = "main"
 description = "Python Build Reasonableness"
 name = "pbr"
 optional = false
-python-versions = "*"
-version = "5.4.5"
+python-versions = ">=2.6"
+version = "5.5.0"
 
 [[package]]
 category = "dev"
@@ -382,7 +382,7 @@ description = "A framework for managing and maintaining multi-language pre-commi
 name = "pre-commit"
 optional = false
 python-versions = ">=3.6.1"
-version = "2.6.0"
+version = "2.7.1"
 
 [package.dependencies]
 cfgv = ">=2.0.0"
@@ -422,7 +422,7 @@ description = "Pygments is a syntax highlighting package written in Python."
 name = "pygments"
 optional = false
 python-versions = ">=3.5"
-version = "2.6.1"
+version = "2.7.1"
 
 [[package]]
 category = "main"
@@ -464,7 +464,7 @@ 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 = "2.10.0"
+version = "2.10.1"
 
 [package.dependencies]
 coverage = ">=4.4"
@@ -479,10 +479,10 @@ description = "Thin-wrapper around the mock package for easier use with pytest"
 name = "pytest-mock"
 optional = false
 python-versions = ">=3.5"
-version = "3.2.0"
+version = "3.3.1"
 
 [package.dependencies]
-pytest = ">=2.7"
+pytest = ">=5.0"
 
 [package.extras]
 dev = ["pre-commit", "tox", "pytest-asyncio"]
@@ -565,7 +565,7 @@ description = "Python documentation generator"
 name = "sphinx"
 optional = true
 python-versions = ">=3.5"
-version = "3.1.2"
+version = "3.2.1"
 
 [package.dependencies]
 Jinja2 = ">=2.3"
@@ -706,7 +706,7 @@ description = "Manage dynamic plugins for Python applications"
 name = "stevedore"
 optional = false
 python-versions = ">=3.6"
-version = "3.2.0"
+version = "3.2.2"
 
 [package.dependencies]
 pbr = ">=2.0.0,<2.1.0 || >2.1.0"
@@ -729,7 +729,7 @@ 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 = "3.18.1"
+version = "3.20.0"
 
 [package.dependencies]
 colorama = ">=0.4.1"
@@ -755,7 +755,7 @@ description = "Fast, Extensible Progress Meter"
 name = "tqdm"
 optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*"
-version = "4.48.0"
+version = "4.50.0"
 
 [package.extras]
 dev = ["py-make (>=0.1.0)", "twine", "argopt", "pydoc-markdown"]
@@ -779,7 +779,7 @@ description = "Virtual Python Environment builder"
 name = "virtualenv"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
-version = "20.0.28"
+version = "20.0.32"
 
 [package.dependencies]
 appdirs = ">=1.4.3,<2"
@@ -789,7 +789,7 @@ six = ">=1.9.0,<2"
 
 [package.dependencies.importlib-metadata]
 python = "<3.8"
-version = ">=0.12,<2"
+version = ">=0.12,<3"
 
 [package.dependencies.importlib-resources]
 python = "<3.7"
@@ -801,11 +801,11 @@ testing = ["coverage (>=5)", "coverage-enable-subprocess (>=1)", "flaky (>=3)",
 
 [[package]]
 category = "dev"
-description = "# Voluptuous is a Python data validation library"
+description = ""
 name = "voluptuous"
 optional = false
 python-versions = "*"
-version = "0.11.7"
+version = "0.12.0"
 
 [[package]]
 category = "dev"
@@ -821,7 +821,7 @@ description = "Pure Python Multicast DNS Service Discovery Library (Bonjour/Avah
 name = "zeroconf"
 optional = false
 python-versions = "*"
-version = "0.28.0"
+version = "0.28.5"
 
 [package.dependencies]
 ifaddr = ">=0.1.7"
@@ -832,17 +832,17 @@ description = "Backport of pathlib-compatible object wrapper for zip files"
 name = "zipp"
 optional = false
 python-versions = ">=3.6"
-version = "3.1.0"
+version = "3.2.0"
 
 [package.extras]
 docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
-testing = ["jaraco.itertools", "func-timeout"]
+testing = ["pytest (>=3.5,<3.7.3 || >3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pytest-cov", "jaraco.test (>=3.2.0)", "jaraco.itertools", "func-timeout", "pytest-black (>=0.3.7)", "pytest-mypy"]
 
 [extras]
 docs = ["sphinx", "sphinx_click", "sphinxcontrib-apidoc", "sphinx_rtd_theme"]
 
 [metadata]
-content-hash = "c8db3710e0e6341decff8d047f8d16035ef994f784c9e30335233e68d8637c08"
+content-hash = "1e3428fc20341a82194133cb461482cfa9c481ead01a332356975fa717c7009a"
 python-versions = "^3.6.5"
 
 [metadata.files]
@@ -862,8 +862,8 @@ atomicwrites = [
     {file = "atomicwrites-1.4.0.tar.gz", hash = "sha256:ae70396ad1a434f9c7046fd2dd196fc04b12f9e91ffb859164193be8b6168a7a"},
 ]
 attrs = [
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-    {file = "attrs-19.3.0.tar.gz", hash = "sha256:f7b7ce16570fe9965acd6d30101a28f62fb4a7f9e926b3bbc9b61f8b04247e72"},
+    {file = "attrs-20.2.0-py2.py3-none-any.whl", hash = "sha256:fce7fc47dfc976152e82d53ff92fa0407700c21acd20886a13777a0d20e655dc"},
+    {file = "attrs-20.2.0.tar.gz", hash = "sha256:26b54ddbbb9ee1d34d5d3668dd37d6cf74990ab23c828c2888dccdceee395594"},
 ]
 babel = [
     {file = "Babel-2.8.0-py2.py3-none-any.whl", hash = "sha256:d670ea0b10f8b723672d3a6abeb87b565b244da220d76b4dba1b66269ec152d4"},
@@ -874,38 +874,46 @@ certifi = [
     {file = "certifi-2020.6.20.tar.gz", hash = "sha256:5930595817496dd21bb8dc35dad090f1c2cd0adfaf21204bf6732ca5d8ee34d3"},
 ]
 cffi = [
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 wcwidth = [
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     {file = "wcwidth-0.2.5.tar.gz", hash = "sha256:c4d647b99872929fdb7bdcaa4fbe7f01413ed3d98077df798530e5b04f116c83"},
 ]
 zeroconf = [
-    {file = "zeroconf-0.28.0-py3-none-any.whl", hash = "sha256:8c448ad37ed074ce8811c9eb2765c01714a93f977a1c04fc39fbf6f516b0566f"},
-    {file = "zeroconf-0.28.0.tar.gz", hash = "sha256:881da2ed3d7c8e0ab59fb1cc8b02b53134351941c4d8d3f3553a96700f257a03"},
+    {file = "zeroconf-0.28.5-py3-none-any.whl", hash = "sha256:f69cc7f9cc3b2a85c7f2cdafe2bb7fb00cf01604bc3df392f7ed5e3c303d7705"},
+    {file = "zeroconf-0.28.5.tar.gz", hash = "sha256:c08dbb90c116626cb6c5f19ebd14cd4846cffe7151f338c19215e6938d334980"},
 ]
 zipp = [
-    {file = "zipp-3.1.0-py3-none-any.whl", hash = "sha256:aa36550ff0c0b7ef7fa639055d797116ee891440eac1a56f378e2d3179e0320b"},
-    {file = "zipp-3.1.0.tar.gz", hash = "sha256:c599e4d75c98f6798c509911d08a22e6c021d074469042177c8c86fb92eefd96"},
+    {file = "zipp-3.2.0-py3-none-any.whl", hash = "sha256:43f4fa8d8bb313e65d8323a3952ef8756bf40f9a5c3ea7334be23ee4ec8278b6"},
+    {file = "zipp-3.2.0.tar.gz", hash = "sha256:b52f22895f4cfce194bc8172f3819ee8de7540aa6d873535a8668b730b8b411f"},
 ]
diff --git a/pyproject.toml b/pyproject.toml
index f48d46e8f..716bd2a50 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ miiocli = "miio.cli:create_cli"
 [tool.poetry.dependencies]
 python = "^3.6.5"
 click = "^7"
-cryptography = "^2"
+cryptography = "^3"
 construct = "^2.10.56"
 zeroconf = "^0"
 attrs = "*"