diff --git a/requirements-dev.txt b/requirements-dev.txt
index dc1b4dd..d875191 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -7,7 +7,7 @@ pytest-asyncio>=0.21.0
 black>=23.0.0
 isort>=5.12.0
 flake8>=6.0.0
-mypy>=1.0.0
+mypy>=1.20.2
 
 # Type stubs
 types-requests>=2.28.0