diff --git a/homeassistant/package_constraints.txt b/homeassistant/package_constraints.txt
index a64e0dc38e7..d583dbffe05 100644
--- a/homeassistant/package_constraints.txt
+++ b/homeassistant/package_constraints.txt
@@ -17,7 +17,7 @@ jinja2>=2.10.1
 netdisco==2.6.0
 pip>=8.0.3
 python-slugify==3.0.4
-pytz>=2019.02
+pytz>=2019.03
 pyyaml==5.1.2
 requests==2.22.0
 ruamel.yaml==0.15.100
diff --git a/requirements_all.txt b/requirements_all.txt
index 17f39ac1d8d..2782c3709d3 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -12,7 +12,7 @@ PyJWT==1.7.1
 cryptography==2.7
 pip>=8.0.3
 python-slugify==3.0.4
-pytz>=2019.02
+pytz>=2019.03
 pyyaml==5.1.2
 requests==2.22.0
 ruamel.yaml==0.15.100
diff --git a/setup.py b/setup.py
index 23a8a808f43..1824ba2d41b 100755
--- a/setup.py
+++ b/setup.py
@@ -45,7 +45,7 @@ REQUIRES = [
     "cryptography==2.7",
     "pip>=8.0.3",
     "python-slugify==3.0.4",
-    "pytz>=2019.02",
+    "pytz>=2019.03",
     "pyyaml==5.1.2",
     "requests==2.22.0",
     "ruamel.yaml==0.15.100",