diff --git a/homeassistant/package_constraints.txt b/homeassistant/package_constraints.txt
index aa9e614acef..e1547949588 100644
--- a/homeassistant/package_constraints.txt
+++ b/homeassistant/package_constraints.txt
@@ -189,3 +189,7 @@ tuf>=4.0.0
 
 # https://github.com/jd/tenacity/issues/471
 tenacity!=8.4.0
+
+# 5.0.0 breaks Timeout as a context manager
+# TypeError: 'Timeout' object does not support the context manager protocol
+async-timeout==4.0.3
diff --git a/script/gen_requirements_all.py b/script/gen_requirements_all.py
index 1ad0d863062..36962ce1fe9 100755
--- a/script/gen_requirements_all.py
+++ b/script/gen_requirements_all.py
@@ -205,6 +205,10 @@ tuf>=4.0.0
 
 # https://github.com/jd/tenacity/issues/471
 tenacity!=8.4.0
+
+# 5.0.0 breaks Timeout as a context manager
+# TypeError: 'Timeout' object does not support the context manager protocol
+async-timeout==4.0.3
 """
 
 GENERATED_MESSAGE = (