diff --git a/requirements-dev.txt b/requirements-dev.txt
index 5798162f02..a5113d24e4 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -44,7 +44,7 @@ msal==1.33.0
 msal-extensions==1.3.1
 msgraph-core==1.3.5
 multidict==6.6.4
-mypy==1.17.1
+mypy==1.18.1
 mypy-extensions==1.1.0
 opentelemetry-api==1.36.0
 opentelemetry-sdk==1.36.0