diff --git a/requirements-dev.txt b/requirements-dev.txt
index f3c46c7d6b..0a1f7454dc 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -44,7 +44,7 @@ msal==1.33.0
 msal-extensions==1.3.1
 msgraph-core==1.3.8
 multidict==6.7.0
-mypy==1.18.2
+mypy==1.19.1
 mypy-extensions==1.1.0
 opentelemetry-api==1.38.0
 opentelemetry-sdk==1.38.0