diff --git a/pyproject.toml b/pyproject.toml
index b85cd614..cf473932 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -73,7 +73,7 @@ experimental = ["cognite-sdk-experimental"]
 
 [tool.poetry.group.dev.dependencies]
 black = "23.9.1"
-mypy = "1.5.1"
+mypy = "1.6.1"
 ruff = "^0.0.289"
 pytest = "^7.0.0"
 pytest-cov = "^4.0.0"