diff --git a/pyproject.toml b/pyproject.toml
index f52be329d..105ea7e8c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -80,7 +80,7 @@ dev = [
     "ruff==0.0.291",
     "black==23.9.1",
     "isort==5.11.4",
-    "mypy==1.5.1",
+    "mypy==1.6.0",
     "psutil==5.9.2",
     "stix2==3.0.1",
     "requests==2.31.0",