diff --git a/pyproject.toml b/pyproject.toml
index d11f21f..199b036 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ sqlite-utils = "^3.34"
 [tool.poetry.group.dev.dependencies]
 black = "==23.11.0"
 flake8 = "==6.1.0"
-mypy = "==1.8.0"
+mypy = "==1.20.2"
 pytest = "==7.4.3"
 pytest-cov = "==4.1.0"
 types-setuptools = "==68.2.0.2"