diff --git a/pyproject.toml b/pyproject.toml
index 3843669..a8ac27c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ Changelog = "https://jowilf.github.io/sqlalchemy-file/changelog/"
 [project.optional-dependencies]
 test = [
     "pytest >=7.2.0, <7.5.0",
-    "mypy ==1.5.1",
+    "mypy ==1.8.0",
     "ruff ==0.0.292",
     "black ==23.9.1",
     "fasteners ==0.19",