diff --git a/homeassistant/package_constraints.txt b/homeassistant/package_constraints.txt
index 8547aa9d510..26571ab7a27 100644
--- a/homeassistant/package_constraints.txt
+++ b/homeassistant/package_constraints.txt
@@ -19,7 +19,7 @@ netdisco==2.6.0
 pip>=8.0.3
 python-slugify==4.0.0
 pytz>=2019.03
-pyyaml==5.3
+pyyaml==5.3.1
 requests==2.23.0
 ruamel.yaml==0.15.100
 sqlalchemy==1.3.15
diff --git a/requirements_all.txt b/requirements_all.txt
index c81f4ef5eec..eb6820b81aa 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -13,7 +13,7 @@ cryptography==2.8
 pip>=8.0.3
 python-slugify==4.0.0
 pytz>=2019.03
-pyyaml==5.3
+pyyaml==5.3.1
 requests==2.23.0
 ruamel.yaml==0.15.100
 voluptuous==0.11.7
diff --git a/setup.py b/setup.py
index b8bf55d9f74..e0daacd98bf 100755
--- a/setup.py
+++ b/setup.py
@@ -47,7 +47,7 @@ REQUIRES = [
     "pip>=8.0.3",
     "python-slugify==4.0.0",
     "pytz>=2019.03",
-    "pyyaml==5.3",
+    "pyyaml==5.3.1",
     "requests==2.23.0",
     "ruamel.yaml==0.15.100",
     "voluptuous==0.11.7",