diff --git a/cli/pyproject.toml b/cli/pyproject.toml
index c1faacfaa..05a9bff6b 100644
--- a/cli/pyproject.toml
+++ b/cli/pyproject.toml
@@ -12,7 +12,7 @@ aiohttp = "^3.8.3"
 
 [tool.poetry.dev-dependencies]
 black = "^22.8.0"
-mypy = "^0.990"
+mypy = "^0.991"
 
 [build-system]
 requires = ["poetry-core>=1.0.0"]