diff --git a/pyproject.toml b/pyproject.toml
index 53a5eec..5e7a165 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,7 +39,7 @@ dev = [
     "pytest-asyncio>=0.21",
     "respx>=0.21",
     "ruff>=0.4.0",
-    "mypy>=1.0",
+    "mypy>=1.19.1",
 ]
 
 # Read the package version from the repo-root VERSION file at build time.