diff --git a/requirements.txt b/requirements.txt
index 147c0cb2e6..14ce062000 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,14 +1,13 @@
 voluptuous==0.11.7
-PyYAML>=5.1,<6
-paho-mqtt>=1.4,<2
-colorlog>=4.0.2
-tornado>=5.1.1,<6
+PyYAML==5.1.2
+paho-mqtt==1.4.0
+colorlog==4.0.2
+tornado==5.1.1
 typing>=3.6.6;python_version<"3.5"
-protobuf>=3.7,<3.8
-tzlocal>=1.5.1
-pytz>=2019.1
-pyserial>=3.4,<4
-ifaddr>=0.1.6,<1
-platformio>=3.6.5 ; python_version<"3"
-https://github.com/platformio/platformio-core/archive/develop.zip ; python_version>"3"
-esptool>=2.6,<3
+protobuf==3.10.0
+tzlocal==2.0.0
+pytz==2019.3
+pyserial==3.4
+ifaddr==0.1.6
+platformio==4.0.3
+esptool==2.7
diff --git a/requirements_test.txt b/requirements_test.txt
index de09b1c760..26f14434d8 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -1,17 +1,17 @@
 voluptuous==0.11.7
-PyYAML>=5.1,<6
-paho-mqtt>=1.4,<2
-colorlog>=4.0.2
-tornado>=5.1.1,<6
-typing>=3.6.6 ; python_version<"3.5"
-protobuf>=3.7,<3.8
-tzlocal>=1.5.1
-pytz>=2019.1
-pyserial>=3.4,<4
-ifaddr>=0.1.6,<1
-platformio>=3.6.7 ; python_version<"3"
-https://github.com/platformio/platformio-core/archive/develop.zip ; python_version>"3"
-esptool>=2.6,<3
+PyYAML==5.1.2
+paho-mqtt==1.4.0
+colorlog==4.0.2
+tornado==5.1.1
+typing>=3.6.6;python_version<"3.5"
+protobuf==3.10.0
+tzlocal==2.0.0
+pytz==2019.3
+pyserial==3.4
+ifaddr==0.1.6
+platformio==4.0.3
+esptool==2.7
+
 pylint==1.9.4 ; python_version<"3"
 pylint==2.3.0 ; python_version>"3"
 flake8==3.6.0
diff --git a/setup.py b/setup.py
index f2692f9387..53acef5a30 100755
--- a/setup.py
+++ b/setup.py
@@ -24,16 +24,16 @@ DOWNLOAD_URL = '{}/archive/v{}.zip'.format(GITHUB_URL, const.__version__)
 
 REQUIRES = [
     'voluptuous==0.11.7',
-    'PyYAML>=5.1,<6',
-    'paho-mqtt>=1.4,<2',
-    'colorlog>=4.0.2',
-    'tornado>=5.1.1,<6',
+    'PyYAML==5.1.2',
+    'paho-mqtt==1.4.0',
+    'colorlog==4.0.2',
+    'tornado==5.1.1',
     'typing>=3.6.6;python_version<"3.5"',
-    'protobuf>=3.7,<3.8',
-    'tzlocal>=1.5.1',
-    'pytz>=2019.1',
-    'pyserial>=3.4,<4',
-    'ifaddr>=0.1.6,<1',
+    'protobuf==3.10.0',
+    'tzlocal==2.0.0',
+    'pytz==2019.3',
+    'pyserial==3.4',
+    'ifaddr==0.1.6',
 ]
 
 # If you have problems importing platformio and esptool as modules you can set
@@ -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>=3.6.5',
-        'esptool>=2.6,<3',
+        'platformio==4.0.3',
+        'esptool==2.7',
     ])
 
 CLASSIFIERS = [