diff --git a/pkgs/development/arduino/platformio/core.nix b/pkgs/development/arduino/platformio/core.nix
index 5489adc5399..bf0dd5229c6 100644
--- a/pkgs/development/arduino/platformio/core.nix
+++ b/pkgs/development/arduino/platformio/core.nix
@@ -44,14 +44,14 @@ let
 
 in buildPythonApplication rec {
   pname = "platformio";
-  version = "3.6.1";
+  version = "3.6.2";
 
-  # pypi tarball doesn't contain tests
+  # pypi tarballs don't contain tests - https://github.com/platformio/platformio-core/issues/1964
   src = fetchFromGitHub {
     owner = "platformio";
     repo = "platformio-core";
     rev = "v${version}";
-    sha256 = "01xz9figqrzb0m9467q14lg51vmgq0hbaap0xdx08n5v2ycmzj0v";
+    sha256 = "1558adr73d7mgp0z92q9vzbgarddimadyk4467z8i3yp4g8k5irk";
   };
 
   propagatedBuildInputs =  [