diff --git a/pyproject.toml b/pyproject.toml
index ca12c218c..113a1727a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -71,7 +71,7 @@ style = [
 lint = [
     "circuit-knitting-toolbox[style]",
     "pydocstyle==6.3.0",
-    "mypy==1.4.1",
+    "mypy==1.5.1",
     "reno>=3.4.0",
     # pydocstyle prefers to parse our pyproject.toml, hence the following line
     "toml",