Upgrade dependencies

setup.py

@@ -24,14 +24,14 @@ DOWNLOAD_URL = '{}/archive/v{}.zip'.format(GITHUB_URL, const.__version__)
 
 REQUIRES = [
     'voluptuous==0.11.7',
-    'PyYAML==5.1.2',
-    'paho-mqtt==1.4.0',
-    'colorlog==4.0.2',
+    'PyYAML==5.3.1',
+    'paho-mqtt==1.5.0',
+    'colorlog==4.1.0',
     'tornado==5.1.1',
     'typing>=3.6.6;python_version<"3.6"',
-    'protobuf==3.10.0',
+    'protobuf==3.11.3',
     'tzlocal==2.0.0',
-    'pytz==2019.3',
+    'pytz==2020.1',
     'pyserial==3.4',
     'ifaddr==0.1.6',
 ]
@@ -41,8 +41,8 @@ REQUIRES = [
 # This means they have to be in your $PATH.
 if os.environ.get('ESPHOME_USE_SUBPROCESS') is None:
     REQUIRES.extend([
-        'platformio==4.0.3',
-        'esptool==2.7',
+        'platformio==4.3.4',
+        'esptool==2.8',
     ])
 
 CLASSIFIERS = [