diff --git a/lambda/startup/requirements-dev.txt b/lambda/startup/requirements-dev.txt
index 721888b..cf00e8f 100644
--- a/lambda/startup/requirements-dev.txt
+++ b/lambda/startup/requirements-dev.txt
@@ -16,7 +16,7 @@
 
 
 ruff==0.17.3                                                   # pkgs.ruff
-mypy==2.4.0                                                    # ps.mypy
+mypy==2.4.1                                                    # ps.mypy
 bandit==1.9.4                                                  # ps.bandit
 pytest==9.1.1                                                  # ps.pytest
 boto3-stubs[essential,ssm,secretsmanager,codebuild]==1.43.114   # ps.boto3-stubs -- gives mypy the stubs for boto3