diff --git a/requirements-dev-3.11.txt b/requirements-dev-3.11.txt
index 4b42a78..3e8176e 100644
--- a/requirements-dev-3.11.txt
+++ b/requirements-dev-3.11.txt
@@ -1,5 +1,5 @@
 homeassistant==2024.3.3
-mypy-dev==1.11.0a9
+mypy-dev==1.12.0a3
 pydantic==2.7.4
 pre-commit==3.7.1
 ruff==0.4.10
diff --git a/requirements-dev-3.12.txt b/requirements-dev-3.12.txt
index d5e7b02..3b071e1 100644
--- a/requirements-dev-3.12.txt
+++ b/requirements-dev-3.12.txt
@@ -1,5 +1,5 @@
 homeassistant==2024.5.1
-mypy-dev==1.11.0a9
+mypy-dev==1.12.0a3
 pydantic==2.7.4
 pre-commit==3.7.1
 ruff==0.4.10