diff --git a/poetry.lock b/poetry.lock
index db1fa17..5c05802 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -415,11 +415,11 @@ python-versions = "*"
 
 [[package]]
 name = "tomlkit"
-version = "0.7.0"
+version = "0.10.2"
 description = "Style preserving TOML library"
 category = "main"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+python-versions = ">=3.6,<4.0"
 
 [[package]]
 name = "towncrier"
@@ -496,7 +496,7 @@ docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7"
-content-hash = "029e391a7f17a36e16d86433b044fd534c2ad9649c335c9c4911f12dff39315e"
+content-hash = "0cad0a0274a975b2e3809e715d9d20a50366c9287a8e49b48361fcad36abfd82"
 
 [metadata.files]
 appdirs = [
@@ -763,8 +763,8 @@ toml = [
     {file = "toml-0.10.0.tar.gz", hash = "sha256:229f81c57791a41d65e399fc06bf0848bab550a9dfd5ed66df18ce5f05e73d5c"},
 ]
 tomlkit = [
-    {file = "tomlkit-0.7.0-py2.py3-none-any.whl", hash = "sha256:6babbd33b17d5c9691896b0e68159215a9387ebfa938aa3ac42f4a4beeb2b831"},
-    {file = "tomlkit-0.7.0.tar.gz", hash = "sha256:ac57f29693fab3e309ea789252fcce3061e19110085aa31af5446ca749325618"},
+    {file = "tomlkit-0.10.2-py3-none-any.whl", hash = "sha256:905cf92c2111ef80d355708f47ac24ad1b6fc2adc5107455940088c9bbecaedb"},
+    {file = "tomlkit-0.10.2.tar.gz", hash = "sha256:30d54c0b914e595f3d10a87888599eab5321a2a69abc773bbefff51599b72db6"},
 ]
 towncrier = [
     {file = "towncrier-21.3.0-py2.py3-none-any.whl", hash = "sha256:e6ccec65418bbcb8de5c908003e130e37fe0e9d6396cb77c1338241071edc082"},
diff --git a/pyproject.toml b/pyproject.toml
index 223d59c..24efbe5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ classifiers = [
 
 [tool.poetry.dependencies]
 python = "^3.7"
-tomlkit = ">=0.5.3,<0.8.0"
+tomlkit = ">=0.5.3,<0.11.0"
 cleo = ">=0.7.2,<0.9.0"
 licensename = "^0.4.2"
 requests = "^2.21"