diff --git a/Formula/platformio.rb b/Formula/platformio.rb
index d3c696a5d1..36c5cb97ab 100644
--- a/Formula/platformio.rb
+++ b/Formula/platformio.rb
@@ -3,8 +3,8 @@ class Platformio < Formula
 
   desc "Ecosystem for IoT development (Arduino and ARM mbed compatible)"
   homepage "https://platformio.org/"
-  url "https://files.pythonhosted.org/packages/19/ba/7a25560f3c774fb14d4c6d7ec770409bb88ba92dd03af4f8a920c354cc3e/platformio-3.6.0.tar.gz"
-  sha256 "566725f39e3bbe3e5fe3b8257817c186d4802201a3b8f0d8c4d5ea050e720a2a"
+  url "https://files.pythonhosted.org/packages/12/7a/02a773bec45e8705693f0af8225f6952508e61c44d9744555ec4ea3dc166/platformio-3.6.1.tar.gz"
+  sha256 "aef9156def3477fb6f680a4956a0746d1ffe83aa4bf0ac7eb1cd550705ac0cc2"
 
   bottle do
     cellar :any_skip_relocation
@@ -22,8 +22,8 @@ class Platformio < Formula
   end
 
   resource "certifi" do
-    url "https://files.pythonhosted.org/packages/4d/9c/46e950a6f4d6b4be571ddcae21e7bc846fcbb88f1de3eff0f6dd0a6be55d/certifi-2018.4.16.tar.gz"
-    sha256 "13e698f54293db9f89122b0581843a782ad0934a4fe0172d2a980ba77fc61bb7"
+    url "https://files.pythonhosted.org/packages/41/b6/4f0cefba47656583217acd6cd797bc2db1fede0d53090fdc28ad2c8e0716/certifi-2018.10.15.tar.gz"
+    sha256 "6d58c986d22b038c8c0df30d639f23a3e6d172a05c3583e766f4c0b785c0986a"
   end
 
   resource "chardet" do
@@ -37,8 +37,8 @@ class Platformio < Formula
   end
 
   resource "colorama" do
-    url "https://files.pythonhosted.org/packages/e6/76/257b53926889e2835355d74fec73d82662100135293e17d382e2b74d1669/colorama-0.3.9.tar.gz"
-    sha256 "48eb22f4f8461b1df5734a074b57042430fb06e1d61bd1e11b078c0fe6d7a1f1"
+    url "https://files.pythonhosted.org/packages/55/d5/c35bd3e63757ac767105f8695b055581d8b8dd8c22fef020ebefa2a3725d/colorama-0.4.0.zip"
+    sha256 "c9b54bebe91a6a803e0772c8561d53f2926bfeb17cd141fbabcb08424086595c"
   end
 
   resource "idna" do
@@ -52,8 +52,8 @@ class Platformio < Formula
   end
 
   resource "requests" do
-    url "https://files.pythonhosted.org/packages/54/1f/782a5734931ddf2e1494e4cd615a51ff98e1879cbe9eecbdfeaf09aa75e9/requests-2.19.1.tar.gz"
-    sha256 "ec22d826a36ed72a7358ff3fe56cbd4ba69dd7a6718ffd450ff0e9df7a47ce6a"
+    url "https://files.pythonhosted.org/packages/97/10/92d25b93e9c266c94b76a5548f020f3f1dd0eb40649cb1993532c0af8f4c/requests-2.20.0.tar.gz"
+    sha256 "99dcfdaaeb17caf6e526f32b6a7b780461512ab3f1d992187801694cba42770c"
   end
 
   resource "semantic_version" do
@@ -62,8 +62,8 @@ class Platformio < Formula
   end
 
   resource "urllib3" do
-    url "https://files.pythonhosted.org/packages/3c/d2/dc5471622bd200db1cd9319e02e71bc655e9ea27b8e0ce65fc69de0dac15/urllib3-1.23.tar.gz"
-    sha256 "a68ac5e15e76e7e5dd2b8f94007233e01effe3e50e8daddf69acfd81cb686baf"
+    url "https://files.pythonhosted.org/packages/a5/74/05ffd00b4b5c08306939c485869f5dc40cbc27357195b0a98b18e4c48893/urllib3-1.24.tar.gz"
+    sha256 "41c3db2fc01e5b907288010dec72f9d0a74e37d6994e6eb56849f59fea2265ae"
   end
 
   def install