diff --git a/pyproject.toml b/pyproject.toml
index 3444c39a..c08b42cf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -62,7 +62,7 @@ style = [
 lint = [
     "qiskit-addon-utils[style]",
     "pylint==4.0.6",
-    "mypy==2.3.0",
+    "mypy==2.3.1",
     "reno>=4.1",
 ]
 notebook-dependencies = [