diff --git a/homeassistant/package_constraints.txt b/homeassistant/package_constraints.txt
index 2c649b007e3..0dd9b6d7802 100644
--- a/homeassistant/package_constraints.txt
+++ b/homeassistant/package_constraints.txt
@@ -20,7 +20,7 @@ python-slugify==3.0.3
 pytz>=2019.02
 pyyaml==5.1.2
 requests==2.22.0
-ruamel.yaml==0.15.99
+ruamel.yaml==0.15.100
 sqlalchemy==1.3.7
 voluptuous-serialize==2.2.0
 voluptuous==0.11.7
diff --git a/requirements_all.txt b/requirements_all.txt
index 4a4c77339dc..17a707dedf8 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -15,7 +15,7 @@ python-slugify==3.0.3
 pytz>=2019.02
 pyyaml==5.1.2
 requests==2.22.0
-ruamel.yaml==0.15.99
+ruamel.yaml==0.15.100
 voluptuous==0.11.7
 voluptuous-serialize==2.2.0
 
diff --git a/setup.py b/setup.py
index 01288c01bf1..5ab8d74c64c 100755
--- a/setup.py
+++ b/setup.py
@@ -48,7 +48,7 @@ REQUIRES = [
     "pytz>=2019.02",
     "pyyaml==5.1.2",
     "requests==2.22.0",
-    "ruamel.yaml==0.15.99",
+    "ruamel.yaml==0.15.100",
     "voluptuous==0.11.7",
     "voluptuous-serialize==2.2.0",
 ]