diff --git a/pyproject.toml b/pyproject.toml
index 53a7ac3..2a9f391 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ opentelemetry-sdk = ">=1.24.0"
 pytest = ">=2.8"
 pytest-cov = ">=2.4.0"
 pytest-mypy = "==1.0.1"
-mypy = "==1.17.1"
+mypy = "==1.18.1"
 pycodestyle = "^2.12.1"
 isort = ">=5.13.2,<7.0.0"