diff --git a/pkgs/by-name/pl/platformio-core/package.nix b/pkgs/by-name/pl/platformio-core/package.nix
index f0afbb6b5642..9edb8ce9c8a3 100644
--- a/pkgs/by-name/pl/platformio-core/package.nix
+++ b/pkgs/by-name/pl/platformio-core/package.nix
@@ -79,6 +79,7 @@ buildPythonApplication rec {
     marshmallow
     pip
     pyelftools
+    pyparsing
     pyserial
     pyyaml
     requests