diff --git a/pyproject.toml b/pyproject.toml
index c963b38..f08d281 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,6 @@ dev = [
     "pytest>=7.0",
     "pytest-cov>=4.0",
     "ruff>=0.1.0",
-    "mypy>=1.0",
 ]
 
 [project.scripts]
@@ -59,4 +58,4 @@ addopts = "-v --cov=testdatagen --cov-report=term-missing"
 
 [tool.testdatagen]
 default-seed = 42
-default-count = 10
\ No newline at end of file
+default-count = 10