diff --git a/secretscanning/dev-requirements.txt b/secretscanning/dev-requirements.txt
index 7cb9468..fa15c03 100644
--- a/secretscanning/dev-requirements.txt
+++ b/secretscanning/dev-requirements.txt
@@ -1,5 +1,5 @@
 flake8==7.0.0
 bandit==1.7.8
-mypy==1.9.0
+mypy==1.17.1
 yapf==0.43.0
 ruff==0.3.4