diff --git a/homeassistant/package_constraints.txt b/homeassistant/package_constraints.txt
index 34fe8d2d2bf0c2..f4c08c616a6bd7 100644
--- a/homeassistant/package_constraints.txt
+++ b/homeassistant/package_constraints.txt
@@ -6,7 +6,7 @@ aiodns==3.5.0
 aiohasupervisor==0.3.3
 aiohttp-asyncmdnsresolver==0.1.1
 aiohttp-fast-zlib==0.3.0
-aiohttp==3.12.15
+aiohttp==3.13.3
 aiohttp_cors==0.8.1
 aiousbwatcher==1.1.1
 aiozoneinfo==0.2.3
diff --git a/pyproject.toml b/pyproject.toml
index d33177e12760b6..4f292737506684 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ dependencies = [
   # change behavior based on presence of supervisor. Deprecated with #127228
   # Lib can be removed with 2025.11
   "aiohasupervisor==0.3.3",
-  "aiohttp==3.12.15",
+  "aiohttp==3.13.3",
   "aiohttp_cors==0.8.1",
   "aiohttp-fast-zlib==0.3.0",
   "aiohttp-asyncmdnsresolver==0.1.1",
diff --git a/requirements.txt b/requirements.txt
index a1c4900b4007bf..46d28b9cbac88b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@
 # Home Assistant Core
 aiodns==3.5.0
 aiohasupervisor==0.3.3
-aiohttp==3.12.15
+aiohttp==3.13.3
 aiohttp_cors==0.8.1
 aiohttp-fast-zlib==0.3.0
 aiohttp-asyncmdnsresolver==0.1.1