diff --git a/requirements-dev.txt b/requirements-dev.txt
index 94db0157..318d7447 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -16,7 +16,7 @@ boto3>=1.26.0  # For S3 integration tests
 
 # Code quality
 ruff>=0.3.0
-mypy>=1.8.0
+mypy>=2.1.0
 djlint>=1.36.0  # HTML template linter for accessibility and best practices
 
 # Documentation (builds the embedded /help site via MkDocs Material)