diff --git a/poetry.lock b/poetry.lock
index ccfcff98ceafe225efc39f7a1e30d1656dee144f..c067b9151eb3847d7f33b6e99f389a0dc91f83d4 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -184,7 +184,7 @@ description = "Distribution utilities"
 name = "distlib"
 optional = false
 python-versions = "*"
-version = "0.3.0"
+version = "0.3.1"
 
 [[package]]
 category = "main"
@@ -218,7 +218,7 @@ description = "File identification library for Python"
 name = "identify"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
-version = "1.4.18"
+version = "1.4.21"
 
 [package.extras]
 license = ["editdistance"]
@@ -229,7 +229,7 @@ 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"
@@ -250,14 +250,14 @@ marker = "python_version < \"3.8\""
 name = "importlib-metadata"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
-version = "1.6.0"
+version = "1.7.0"
 
 [package.dependencies]
 zipp = ">=0.5"
 
 [package.extras]
 docs = ["sphinx", "rst.linker"]
-testing = ["packaging", "importlib-resources"]
+testing = ["packaging", "pep517", "importlib-resources (>=1.3)"]
 
 [[package]]
 category = "dev"
@@ -266,13 +266,9 @@ 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.importlib-metadata]
-python = "<3.8"
-version = "*"
-
 [package.dependencies.zipp]
 python = "<3.8"
 version = ">=0.4"
@@ -324,7 +320,7 @@ description = "More routines for operating on iterables, beyond itertools"
 name = "more-itertools"
 optional = false
 python-versions = ">=3.5"
-version = "8.3.0"
+version = "8.4.0"
 
 [[package]]
 category = "main"
@@ -423,7 +419,7 @@ 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"
@@ -528,17 +524,17 @@ description = "Pytest support for asyncio."
 name = "pytest-asyncio"
 optional = false
 python-versions = ">= 3.5"
-version = "0.10.0"
+version = "0.14.0"
 
 [package.dependencies]
-pytest = ">=3.0.6"
+pytest = ">=5.4.0"
 
 [package.dependencies.async-generator]
 python = ">=3.5,<3.6"
 version = ">=1.3"
 
 [package.extras]
-testing = ["async-generator (>=1.3)", "coverage", "hypothesis (>=3.64)"]
+testing = ["async-generator (>=1.3)", "coverage", "hypothesis (>=5.7.1)"]
 
 [[package]]
 category = "dev"
@@ -546,11 +542,11 @@ 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"]
@@ -583,7 +579,7 @@ marker = "python_version >= \"3.6\" and python_version < \"4.0\""
 name = "regex"
 optional = false
 python-versions = "*"
-version = "2020.5.14"
+version = "2020.6.8"
 
 [[package]]
 category = "main"
@@ -652,7 +648,7 @@ description = "Virtual Python Environment builder"
 name = "virtualenv"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
-version = "20.0.21"
+version = "20.0.25"
 
 [package.dependencies]
 appdirs = ">=1.4.3,<2"
@@ -666,11 +662,11 @@ 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"
@@ -678,7 +674,7 @@ description = "Measures the displayed width of unicode strings in a terminal"
 name = "wcwidth"
 optional = false
 python-versions = "*"
-version = "0.2.3"
+version = "0.2.5"
 
 [[package]]
 category = "main"
@@ -706,7 +702,7 @@ docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
 testing = ["pathlib2", "unittest2", "jaraco.itertools", "func-timeout"]
 
 [metadata]
-content-hash = "6cba53c5ab68e8fc85ba131a7231e459a3faa0cf5bd73db29584d1bb4e16840e"
+content-hash = "09d992e5842d7856fafcf5f7ba790804018cb1772aeb41d37bab5b50e8e39803"
 python-versions = "^3.5.3"
 
 [metadata.files]
@@ -841,7 +837,8 @@ coverage-badge = [
     {file = "coverage_badge-1.0.1-py2.py3-none-any.whl", hash = "sha256:3796de21b4e190d38beb8806956946fbdb02fe3a2a7452b460a9cff958009833"},
 ]
 distlib = [
-    {file = "distlib-0.3.0.zip", hash = "sha256:2e166e231a26b36d6dfe35a48c4464346620f8645ed0ace01ee31822b288de21"},
+    {file = "distlib-0.3.1-py2.py3-none-any.whl", hash = "sha256:8c09de2c67b3e7deef7184574fc060ab8a793e7adbb183d942c389c8b13c52fb"},
+    {file = "distlib-0.3.1.zip", hash = "sha256:edf6116872c863e1aa9d5bb7cb5e05a022c519a4594dc703843343a9ddd9bff1"},
 ]
 duniterpy = [
     {file = "duniterpy-0.57.0-py3-none-any.whl", hash = "sha256:23a8b08d87c1d6f55eddf78b962748232914f481b89048a86c01f0bdc35b8145"},
@@ -852,23 +849,23 @@ filelock = [
     {file = "filelock-3.0.12.tar.gz", hash = "sha256:18d82244ee114f543149c66a6e0c14e9c4f8a1044b5cdaadd0f82159d6a6ff59"},
 ]
 identify = [
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-    {file = "identify-1.4.18.tar.gz", hash = "sha256:de4e1de6c23f52b71c8a54ff558219f3783ff011b432f29360d84a8a31ba561c"},
+    {file = "identify-1.4.21-py2.py3-none-any.whl", hash = "sha256:dac33eff90d57164e289fb20bf4e131baef080947ee9bf45efcd0da8d19064bf"},
+    {file = "identify-1.4.21.tar.gz", hash = "sha256:c4d07f2b979e3931894170a9e0d4b8281e6905ea6d018c326f7ffefaf20db680"},
 ]
 idna = [
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-    {file = "idna-2.9.tar.gz", hash = "sha256:7588d1c14ae4c77d74036e8c22ff447b26d0fde8f007354fd48a7814db15b7cb"},
+    {file = "idna-2.10-py2.py3-none-any.whl", hash = "sha256:b97d804b1e9b523befed77c48dacec60e6dcb0b5391d57af6a65a312a90648c0"},
+    {file = "idna-2.10.tar.gz", hash = "sha256:b307872f855b18632ce0c21c5e45be78c0ea7ae4c15c828c20788b26921eb3f6"},
 ]
 idna-ssl = [
     {file = "idna-ssl-1.1.0.tar.gz", hash = "sha256:a933e3bb13da54383f9e8f35dc4f9cb9eb9b3b78c6b36f311254d6d0d92c6c7c"},
 ]
 importlib-metadata = [
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-    {file = "importlib_metadata-1.6.0.tar.gz", hash = "sha256:34513a8a0c4962bc66d35b359558fd8a5e10cd472d37aec5f66858addef32c1e"},
+    {file = "importlib_metadata-1.7.0-py2.py3-none-any.whl", hash = "sha256:dc15b2969b4ce36305c51eebe62d418ac7791e9a157911d58bfb1f9ccd8e2070"},
+    {file = "importlib_metadata-1.7.0.tar.gz", hash = "sha256:90bb658cdbbf6d1735b6341ce708fc7024a3e14e99ffdc5783edea9f9b077f83"},
 ]
 importlib-resources = [
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-    {file = "importlib_resources-1.5.0.tar.gz", hash = "sha256:6f87df66833e1942667108628ec48900e02a4ab4ad850e25fbf07cb17cf734ca"},
+    {file = "importlib_resources-3.0.0-py2.py3-none-any.whl", hash = "sha256:d028f66b66c0d5732dae86ba4276999855e162a749c92620a38c1d779ed138a7"},
+    {file = "importlib_resources-3.0.0.tar.gz", hash = "sha256:19f745a6eca188b490b1428c8d1d4a0d2368759f32370ea8fb89cad2ab1106c3"},
 ]
 ipaddress = [
     {file = "ipaddress-1.0.23-py2.py3-none-any.whl", hash = "sha256:6e0f4a39e66cb5bb9a137b00276a2eff74f93b71dcbdad6f10ff7df9d3557fcc"},
@@ -883,8 +880,8 @@ libnacl = [
     {file = "libnacl-1.7.1.tar.gz", hash = "sha256:33f31c4686541aee24876706b46a846f93c60e62d6b4211bc16bd08ba71d8fb8"},
 ]
 more-itertools = [
-    {file = "more-itertools-8.3.0.tar.gz", hash = "sha256:558bb897a2232f5e4f8e2399089e35aecb746e1f9191b6584a151647e89267be"},
-    {file = "more_itertools-8.3.0-py3-none-any.whl", hash = "sha256:7818f596b1e87be009031c7653d01acc46ed422e6656b394b0f765ce66ed4982"},
+    {file = "more-itertools-8.4.0.tar.gz", hash = "sha256:68c70cc7167bdf5c7c9d8f6954a7837089c6a36bf565383919bb595efb8a17e5"},
+    {file = "more_itertools-8.4.0-py3-none-any.whl", hash = "sha256:b78134b2063dd214000685165d81c154522c3ee0a1c0d4d113c80361c234c5a2"},
 ]
 multidict = [
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@@ -929,8 +926,8 @@ pre-commit = [
     {file = "pre_commit-1.21.0.tar.gz", hash = "sha256:8f48d8637bdae6fa70cc97db9c1dd5aa7c5c8bf71968932a380628c25978b850"},
 ]
 py = [
-    {file = "py-1.8.1-py2.py3-none-any.whl", hash = "sha256:c20fdd83a5dbc0af9efd622bee9a5564e278f6380fffcacc43ba6f43db2813b0"},
-    {file = "py-1.8.1.tar.gz", hash = "sha256:5e27081401262157467ad6e7f851b7aa402c5852dbcb3dae06768434de5752aa"},
+    {file = "py-1.9.0-py2.py3-none-any.whl", hash = "sha256:366389d1db726cd2fcfc79732e75410e5fe4d31db13692115529d34069a043c2"},
+    {file = "py-1.9.0.tar.gz", hash = "sha256:9ca6883ce56b4e8da7e79ac18787889fa5206c79dcc67fb065376cd2fe03f342"},
 ]
 pyaes = [
     {file = "pyaes-1.6.1.tar.gz", hash = "sha256:02c1b1405c38d3c370b085fb952dd8bea3fadcee6411ad99f312cc129c536d8f"},
@@ -975,12 +972,12 @@ pytest = [
     {file = "pytest-5.4.3.tar.gz", hash = "sha256:7979331bfcba207414f5e1263b5a0f8f521d0f457318836a7355531ed1a4c7d8"},
 ]
 pytest-asyncio = [
-    {file = "pytest-asyncio-0.10.0.tar.gz", hash = "sha256:9fac5100fd716cbecf6ef89233e8590a4ad61d729d1732e0a96b84182df1daaf"},
-    {file = "pytest_asyncio-0.10.0-py3-none-any.whl", hash = "sha256:d734718e25cfc32d2bf78d346e99d33724deeba774cc4afdf491530c6184b63b"},
+    {file = "pytest-asyncio-0.14.0.tar.gz", hash = "sha256:9882c0c6b24429449f5f969a5158b528f39bde47dc32e85b9f0403965017e700"},
+    {file = "pytest_asyncio-0.14.0-py3-none-any.whl", hash = "sha256:2eae1e34f6c68fc0a9dc12d4bea190483843ff4708d24277c41568d6b6044f1d"},
 ]
 pytest-cov = [
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-    {file = "pytest_cov-2.9.0-py2.py3-none-any.whl", hash = "sha256:c87dfd8465d865655a8213859f1b4749b43448b5fae465cb981e16d52a811424"},
+    {file = "pytest-cov-2.10.0.tar.gz", hash = "sha256:1a629dc9f48e53512fcbfda6b07de490c374b0c83c55ff7a1720b3fccff0ac87"},
+    {file = "pytest_cov-2.10.0-py2.py3-none-any.whl", hash = "sha256:6e6d18092dce6fad667cd7020deed816f858ad3b49d5b5e2b1cc1c97a4dba65c"},
 ]
 pytest-sugar = [
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@@ -999,27 +996,27 @@ pyyaml = [
     {file = "PyYAML-5.3.1.tar.gz", hash = "sha256:b8eac752c5e14d3eca0e6dd9199cd627518cb5ec06add0de9d32baeee6fe645d"},
 ]
 regex = [
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+    {file = "regex-2020.6.8.tar.gz", hash = "sha256:e9b64e609d37438f7d6e68c2546d2cb8062f3adb27e6336bc129b51be20773ac"},
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 six = [
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@@ -1069,12 +1066,12 @@ typing-extensions = [
     {file = "typing_extensions-3.7.4.2.tar.gz", hash = "sha256:79ee589a3caca649a9bfd2a8de4709837400dfa00b6cc81962a1e6a1815969ae"},
 ]
 virtualenv = [
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-    {file = "virtualenv-20.0.21.tar.gz", hash = "sha256:a116629d4e7f4d03433b8afa27f43deba09d48bc48f5ecefa4f015a178efb6cf"},
+    {file = "virtualenv-20.0.25-py2.py3-none-any.whl", hash = "sha256:ffffcb3c78a671bb3d590ac3bc67c081ea2188befeeb058870cba13e7f82911b"},
+    {file = "virtualenv-20.0.25.tar.gz", hash = "sha256:f332ba0b2dfbac9f6b1da9f11224f0036b05cdb4df23b228527c2a2d5504aeed"},
 ]
 wcwidth = [
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-    {file = "wcwidth-0.2.3.tar.gz", hash = "sha256:edbc2b718b4db6cdf393eefe3a420183947d6aa312505ce6754516f458ff8830"},
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 ]
 yarl = [
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diff --git a/pyproject.toml b/pyproject.toml
index 260b033c9ead63a2bb102f8f211499e261dcfcb9..c892f0be6d35204c75dde34ade0ea4e679832e4e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ black = {version = "^19.10b0", python = "^3.6"}
 pre-commit = "^1.18"
 pytest = "^5.1"
 pytest-cov = "^2.7"
-pytest-asyncio = "^0.10.0"
+pytest-asyncio = "^0.14.0"
 coverage-badge = "^1.0"
 pytest-sugar = "^0.9.2"