diff --git a/requirements-dev.txt b/requirements-dev.txt
index 465f59d..1066e94 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,3 +1,3 @@
 pytest==9.0.3
 black==26.3.1
-mypy==1.19.1
\ No newline at end of file
+mypy==1.20.2
\ No newline at end of file