diff --git a/Formula/platformio.rb b/Formula/platformio.rb
index 141e3d11ebb1a..259b1555a8b12 100644
--- a/Formula/platformio.rb
+++ b/Formula/platformio.rb
@@ -3,8 +3,8 @@ class Platformio < Formula
 
   desc "Professional collaborative platform for embedded development"
   homepage "https://platformio.org/"
-  url "https://files.pythonhosted.org/packages/c5/08/2773948cc9ba269caea2ad0cb60c42d06bb2208d0fd7615c410f395bb6b0/platformio-5.0.2.tar.gz"
-  sha256 "42a8f87fda5489d2e342815f09c6f599f556d05b2fc8a30810d8129aae6405ee"
+  url "https://files.pythonhosted.org/packages/d8/7b/a79280396d25daa2ce01000d77c45dd4703764fcab4d0ae4a73c8f97f183/platformio-5.0.3.tar.gz"
+  sha256 "5035e991dc00640aa06b47f01f2e1229fd3f98710bb94bdd5566e45247624946"
   license "Apache-2.0"
 
   livecheck do
@@ -21,13 +21,13 @@ class Platformio < Formula
   depends_on "python@3.9"
 
   resource "bottle" do
-    url "https://files.pythonhosted.org/packages/d9/4f/57887a07944140dae0d039d8bc270c249fc7fc4a00744effd73ae2cde0a9/bottle-0.12.18.tar.gz"
-    sha256 "0819b74b145a7def225c0e83b16a4d5711fde751cd92bae467a69efce720f69e"
+    url "https://files.pythonhosted.org/packages/ea/80/3d2dca1562ffa1929017c74635b4cb3645a352588de89e90d0bb53af3317/bottle-0.12.19.tar.gz"
+    sha256 "a9d73ffcbc6a1345ca2d7949638db46349f5b2b77dac65d6494d45c23628da2c"
   end
 
   resource "certifi" do
-    url "https://files.pythonhosted.org/packages/40/a7/ded59fa294b85ca206082306bba75469a38ea1c7d44ea7e1d64f5443d67a/certifi-2020.6.20.tar.gz"
-    sha256 "5930595817496dd21bb8dc35dad090f1c2cd0adfaf21204bf6732ca5d8ee34d3"
+    url "https://files.pythonhosted.org/packages/e6/de/879cf857ae6f890dfa23c3d6239814c5471936b618c8fb0c8732ad5da885/certifi-2020.11.8.tar.gz"
+    sha256 "f05def092c44fbf25834a51509ef6e631dc19765ab8a57b4e7ab85531f0a9cf4"
   end
 
   resource "chardet" do
@@ -51,8 +51,8 @@ class Platformio < Formula
   end
 
   resource "marshmallow" do
-    url "https://files.pythonhosted.org/packages/3b/34/cd19aa2e9b03ea3a4c8d3c5803f7550cf87e294f602cd9ac5679d5466c52/marshmallow-3.8.0.tar.gz"
-    sha256 "47911dd7c641a27160f0df5fd0fe94667160ffe97f70a42c3cc18388d86098cc"
+    url "https://files.pythonhosted.org/packages/ea/ac/dc6ed04439ddfb58414a0587cfaa0a2f36b53caf8fadc41b3b4211647434/marshmallow-3.9.1.tar.gz"
+    sha256 "73facc37462dfc0b27f571bdaffbef7709e19f7a616beb3802ea425b07843f4e"
   end
 
   resource "pyelftools" do
@@ -66,8 +66,8 @@ class Platformio < Formula
   end
 
   resource "requests" do
-    url "https://files.pythonhosted.org/packages/da/67/672b422d9daf07365259958912ba533a0ecab839d4084c487a5fe9a5405f/requests-2.24.0.tar.gz"
-    sha256 "b3559a131db72c33ee969480840fff4bb6dd111de7dd27c8ee1f820f4f00231b"
+    url "https://files.pythonhosted.org/packages/9f/14/4a6542a078773957aa83101336375c9597e6fe5889d20abda9c38f9f3ff2/requests-2.25.0.tar.gz"
+    sha256 "7f1a0b932f4a60a1a65caa4263921bb7d9ee911957e0ae4a23a6dd08185ad5f8"
   end
 
   resource "semantic-version" do
@@ -81,8 +81,8 @@ class Platformio < Formula
   end
 
   resource "urllib3" do
-    url "https://files.pythonhosted.org/packages/76/d9/bbbafc76b18da706451fa91bc2ebe21c0daf8868ef3c30b869ac7cb7f01d/urllib3-1.25.11.tar.gz"
-    sha256 "8d7eaa5a82a1cac232164990f04874c594c9453ec55eef02eab885aa02fc17a2"
+    url "https://files.pythonhosted.org/packages/19/80/b2a19b372f16bc846fd156de8d9b3a9b1092aef1f1963d800b0f8c76a67a/urllib3-1.26.1.tar.gz"
+    sha256 "097116a6f16f13482d2a2e56792088b9b2920f4eb6b4f84a2c90555fb673db74"
   end
 
   def install