diff --git a/requirements-dev.txt b/requirements-dev.txt
index 9d726e6..5384137 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -4,7 +4,7 @@
 black==26.3.0
 isort==8.0.1
 flake8==7.3.0
-mypy==1.19.1
+mypy==1.20.1
 
 # Testing
 pytest==9.0.2