diff --git a/homeassistant/package_constraints.txt b/homeassistant/package_constraints.txt
index 71f3a75eac9..c79992e0948 100644
--- a/homeassistant/package_constraints.txt
+++ b/homeassistant/package_constraints.txt
@@ -6,7 +6,7 @@ aiohttp_cors==0.7.0
 astral==2.2
 async-upnp-client==0.16.2
 async_timeout==3.0.1
-attrs==20.3.0
+attrs==21.2.0
 awesomeversion==21.2.3
 bcrypt==3.1.7
 certifi>=2020.12.5
diff --git a/requirements.txt b/requirements.txt
index c134926c6fa..24e387bed58 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@
 aiohttp==3.7.4.post0
 astral==2.2
 async_timeout==3.0.1
-attrs==20.3.0
+attrs==21.2.0
 awesomeversion==21.2.3
 bcrypt==3.1.7
 certifi>=2020.12.5
diff --git a/setup.py b/setup.py
index 71b3d66046c..d5b9d6e68b3 100755
--- a/setup.py
+++ b/setup.py
@@ -35,7 +35,7 @@ REQUIRES = [
     "aiohttp==3.7.4.post0",
     "astral==2.2",
     "async_timeout==3.0.1",
-    "attrs==20.3.0",
+    "attrs==21.2.0",
     "awesomeversion==21.2.3",
     "bcrypt==3.1.7",
     "certifi>=2020.12.5",