diff --git a/pyproject.toml b/pyproject.toml
index cbc9700..290a588 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ opentelemetry-sdk = ">=1.24.0"
 [tool.poetry.group.dev.dependencies]
 pytest = ">=2.8"
 pytest-cov = ">=2.4.0"
-pytest-mypy = "==0.10.3"
+pytest-mypy = "==1.0.0"
 mypy = "==1.14.1"
 pycodestyle = "^2.12.1"
 isort = "^5.13.2"