diff --git a/pyproject.toml b/pyproject.toml
index 004a59d..71fd6b0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ pyyaml = "5.4.1"
 requests = "~2.25"
 
 [tool.poetry.dev-dependencies]
-mypy = "0.790"
+mypy = "0.800"
 pylint = "~2.6"
 rope = "~0.18"
 yapf = "~0.30"