diff --git a/requirements/dev.txt b/requirements/dev.txt
index 5095d42..ce34e4b 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -10,7 +10,7 @@ isort>=8.0.1,<9.0.0
 
 # Linting and Type Checking
 ruff>=0.15.12,<1.0.0
-mypy>=1.8.0,<2.0.0
+mypy>=1.20.2,<2.0.0
 pyright>=1.1.350
 
 # Type stubs (compatible versions)