diff --git a/pyproject.toml b/pyproject.toml
index e02e5f9..eef4dc5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
     "ruff",
-    "mypy>=1.0,<1.6",
+    "mypy>=1.0,<1.8",
     "types-requests",
     "black>=23.0,<24.0",
     "isort>=5.11,<5.13",