diff --git a/poetry.lock b/poetry.lock
index db1fa17..e672b47 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -133,6 +133,9 @@ category = "dev"
 optional = false
 python-versions = "*"
 
+[package.dependencies]
+nut = "*"
+
 [[package]]
 name = "filelock"
 version = "3.0.12"
@@ -243,6 +246,14 @@ category = "dev"
 optional = false
 python-versions = "*"
 
+[[package]]
+name = "nut"
+version = "0.2.0"
+description = "Network utility... things like a UDP/TCP relay."
+category = "dev"
+optional = false
+python-versions = "*"
+
 [[package]]
 name = "packaging"
 version = "20.0"
@@ -413,6 +424,14 @@ category = "dev"
 optional = false
 python-versions = "*"
 
+[[package]]
+name = "tomli"
+version = "2.0.1"
+description = "A lil' TOML parser"
+category = "dev"
+optional = false
+python-versions = ">=3.7"
+
 [[package]]
 name = "tomlkit"
 version = "0.7.0"
@@ -423,7 +442,7 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
 [[package]]
 name = "towncrier"
-version = "21.3.0"
+version = "21.9.0"
 description = "Building newsfiles for your project."
 category = "dev"
 optional = false
@@ -434,7 +453,7 @@ click = "*"
 click-default-group = "*"
 incremental = "*"
 jinja2 = "*"
-toml = "*"
+tomli = {version = "*", markers = "python_version >= \"3.6\""}
 
 [package.extras]
 dev = ["packaging"]
@@ -496,7 +515,7 @@ docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7"
-content-hash = "029e391a7f17a36e16d86433b044fd534c2ad9649c335c9c4911f12dff39315e"
+content-hash = "65306ddcf7c82a8bece997fc10d04a6502c80bc267097ca4f493eeb08a80c7df"
 
 [metadata.files]
 appdirs = [
@@ -694,6 +713,9 @@ nodeenv = [
     {file = "nodeenv-1.3.4-py2.py3-none-any.whl", hash = "sha256:561057acd4ae3809e665a9aaaf214afff110bbb6a6d5c8a96121aea6878408b3"},
     {file = "nodeenv-1.3.4.tar.gz", hash = "sha256:ff860d311cb9cee1a74e7056b6526436eceb2d5177f584b128eca3530849c1ec"},
 ]
+nut = [
+    {file = "nut-0.2.0.tar.gz", hash = "sha256:427bd08d2b47d0c1c8f0a76783586df8b31c3427a0800d7930f010c06ff81e85"},
+]
 packaging = [
     {file = "packaging-20.0-py2.py3-none-any.whl", hash = "sha256:aec3fdbb8bc9e4bb65f0634b9f551ced63983a529d6a8931817d52fdd0816ddb"},
     {file = "packaging-20.0.tar.gz", hash = "sha256:fe1d8331dfa7cc0a883b49d75fc76380b2ab2734b220fbb87d774e4fd4b851f8"},
@@ -762,13 +784,17 @@ toml = [
     {file = "toml-0.10.0-py2.py3-none-any.whl", hash = "sha256:235682dd292d5899d361a811df37e04a8828a5b1da3115886b73cf81ebc9100e"},
     {file = "toml-0.10.0.tar.gz", hash = "sha256:229f81c57791a41d65e399fc06bf0848bab550a9dfd5ed66df18ce5f05e73d5c"},
 ]
+tomli = [
+    {file = "tomli-2.0.1-py3-none-any.whl", hash = "sha256:939de3e7a6161af0c887ef91b7d41a53e7c5a1ca976325f429cb46ea9bc30ecc"},
+    {file = "tomli-2.0.1.tar.gz", hash = "sha256:de526c12914f0c550d15924c62d72abc48d6fe7364aa87328337a31007fe8a4f"},
+]
 tomlkit = [
     {file = "tomlkit-0.7.0-py2.py3-none-any.whl", hash = "sha256:6babbd33b17d5c9691896b0e68159215a9387ebfa938aa3ac42f4a4beeb2b831"},
     {file = "tomlkit-0.7.0.tar.gz", hash = "sha256:ac57f29693fab3e309ea789252fcce3061e19110085aa31af5446ca749325618"},
 ]
 towncrier = [
-    {file = "towncrier-21.3.0-py2.py3-none-any.whl", hash = "sha256:e6ccec65418bbcb8de5c908003e130e37fe0e9d6396cb77c1338241071edc082"},
-    {file = "towncrier-21.3.0.tar.gz", hash = "sha256:6eed0bc924d72c98c000cb8a64de3bd566e5cb0d11032b73fcccf8a8f956ddfe"},
+    {file = "towncrier-21.9.0-py2.py3-none-any.whl", hash = "sha256:fc5a88a2a54988e3a8ed2b60d553599da8330f65722cc607c839614ed87e0f92"},
+    {file = "towncrier-21.9.0.tar.gz", hash = "sha256:9cb6f45c16e1a1eec9d0e7651165e7be60cd0ab81d13a5c96ca97a498ae87f48"},
 ]
 unidecode = [
     {file = "Unidecode-1.1.1-py2.py3-none-any.whl", hash = "sha256:1d7a042116536098d05d599ef2b8616759f02985c85b4fef50c78a5aaf10822a"},
diff --git a/pyproject.toml b/pyproject.toml
index 223d59c..4d1d91c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ requests = "^2.21"
 [tool.poetry.dev-dependencies]
 pytest = "^6.2"
 pre-commit = "^2.12"
-towncrier = "^21.3"
+towncrier = "^21.9"
 pytest-cov = "^2.11"
 responses = "^0.13.2"