diff --git a/pyproject.toml b/pyproject.toml
index f9e556e..fa318fe 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,13 +7,12 @@ license = "AGPL-3.0"
 readme = "README.md"
 
 [tool.poetry.dependencies]
-python = "^3.6"
+python = "^3.7"
 nassl = ">=3.1.0,<4.0.0"
 sslyze = ">=3.1.0,<4.0.0"
 requests = "^2.31.0"
 cryptography = ">=2.8"
 tabulate = "^0.9.0"
-dataclasses = "^0.8"
 
 
 [build-system]
diff --git a/setup.py b/setup.py
index 8535928..3b35b8b 100644
--- a/setup.py
+++ b/setup.py
@@ -19,14 +19,13 @@
     author='Daniel Fett',
     author_email='python@danielfett.de',
     packages=find_packages(exclude=['tests']),
-    python_requires='>=3.6',
+    python_requires='>=3.7',
     install_requires=[
         'nassl>=3.1.0,<4.0.0',
         'sslyze>=3.1.0,<4.0.0',
         'requests',
         'cryptography>=2.8',
         'tabulate',
-        'dataclasses',
     ],
     entry_points={
         "console_scripts": ["tlsprofiler=tlsprofiler.cli:main"]