diff --git a/requirements/extras/brotli.txt b/requirements/extras/brotli.txt
index a449c7de..35b37b35 100644
--- a/requirements/extras/brotli.txt
+++ b/requirements/extras/brotli.txt
@@ -1,2 +1,2 @@
-brotlipy>=0.7.0;python_implementation=="PyPy"
-brotli>=1.0.0;python_implementation=="CPython"
+brotlipy>=0.7.0;platform_python_implementation=="PyPy"
+brotli>=1.0.0;platform_python_implementation=="CPython"