diff --git a/pyproject.toml b/pyproject.toml
index ab1d39da..a318897c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,7 +43,7 @@ actions = [
 ]
 dev = [
     "flit >=3.2.0,<4.0.0",
-    "mypy >=0.921,<0.992",
+    "mypy >=0.921,<1.1",
     "pip-audit >=2.4.4,<3.0.0",
     "pylint >=2.9.3,<2.16.2",
     "cyclonedx-bom >=3.5.0,<4.0.0",