diff --git a/homeassistant/package_constraints.txt b/homeassistant/package_constraints.txt
index afb46240776..a5b368af43f 100644
--- a/homeassistant/package_constraints.txt
+++ b/homeassistant/package_constraints.txt
@@ -10,7 +10,7 @@ aiohttp==3.12.15
 aiohttp_cors==0.8.1
 aiousbwatcher==1.1.1
 aiozoneinfo==0.2.3
-annotatedyaml==0.4.5
+annotatedyaml==1.0.2
 astral==2.2
 async-interrupt==1.2.2
 async-upnp-client==0.45.0
diff --git a/pyproject.toml b/pyproject.toml
index 14d15e4675f..cc24ee607f2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ dependencies = [
   "aiohttp-fast-zlib==0.3.0",
   "aiohttp-asyncmdnsresolver==0.1.1",
   "aiozoneinfo==0.2.3",
-  "annotatedyaml==0.4.5",
+  "annotatedyaml==1.0.2",
   "astral==2.2",
   "async-interrupt==1.2.2",
   "attrs==25.3.0",
diff --git a/requirements.txt b/requirements.txt
index c7e63873f9c..9c2a1312bbf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ aiohttp_cors==0.8.1
 aiohttp-fast-zlib==0.3.0
 aiohttp-asyncmdnsresolver==0.1.1
 aiozoneinfo==0.2.3
-annotatedyaml==0.4.5
+annotatedyaml==1.0.2
 astral==2.2
 async-interrupt==1.2.2
 attrs==25.3.0