diff --git a/requirements-dev.txt b/requirements-dev.txt
index 96fdfdb3e75..11977b8bc0e 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -43,7 +43,7 @@ msal==1.34.0
 msal-extensions==1.3.1
 msgraph-core==1.3.8
 multidict==6.7.0
-mypy==1.17.1
+mypy==1.19.1
 mypy-extensions==1.1.0
 opentelemetry-api==1.38.0
 opentelemetry-sdk==1.38.0