diff --git a/poetry.lock b/poetry.lock
index fe87e25..2bc65a1 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1100,8 +1100,8 @@ category = "dev"
 description = "Style preserving TOML library"
 name = "tomlkit"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "0.5.11"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+version = "0.7.0"
 
 [[package]]
 category = "dev"
@@ -1190,7 +1190,7 @@ docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
 testing = ["pathlib2", "contextlib2", "unittest2"]
 
 [metadata]
-content-hash = "f695fb95c512bee88971b3cf107102a688cd09d7e89a607ea770ae7aebacf169"
+content-hash = "844f8d80c43fe5082ad648b36b2e0bffabf6bfd785dc64b4e02ac174cc49fdcf"
 python-versions = "^3.6"
 
 [metadata.files]
@@ -1664,8 +1664,8 @@ toml = [
     {file = "toml-0.10.0.tar.gz", hash = "sha256:229f81c57791a41d65e399fc06bf0848bab550a9dfd5ed66df18ce5f05e73d5c"},
 ]
 tomlkit = [
-    {file = "tomlkit-0.5.11-py2.py3-none-any.whl", hash = "sha256:4e1bd6c9197d984528f9ff0cc9db667c317d8881288db50db20eeeb0f6b0380b"},
-    {file = "tomlkit-0.5.11.tar.gz", hash = "sha256:f044eda25647882e5ef22b43a1688fb6ab12af2fc50e8456cdfc751c873101cf"},
+    {file = "tomlkit-0.7.0-py2.py3-none-any.whl", hash = "sha256:6babbd33b17d5c9691896b0e68159215a9387ebfa938aa3ac42f4a4beeb2b831"},
+    {file = "tomlkit-0.7.0.tar.gz", hash = "sha256:ac57f29693fab3e309ea789252fcce3061e19110085aa31af5446ca749325618"},
 ]
 typed-ast = [
     {file = "typed_ast-1.4.0-cp35-cp35m-manylinux1_i686.whl", hash = "sha256:262c247a82d005e43b5b7f69aff746370538e176131c32dda9cb0f324d27141e"},
diff --git a/pyproject.toml b/pyproject.toml
index 5cb6d64..de14fee 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -69,4 +69,4 @@ sphinxcontrib-mermaid = "^0.4.0"
 sphinx-typlog-theme = "^0.8.0"
 doc8 = "^0.8.0"
 m2r = "^0.2.1"
-tomlkit = "^0.5.5"
+tomlkit = "^0.7.0"