diff --git a/Authorityfile b/Authorityfile
index ba79c57..2f3be35 100644
--- a/Authorityfile
+++ b/Authorityfile
@@ -2,3 +2,4 @@ PyAA | Python Authority Authority | https://github.com/pyaa/
 PyPA | Python Packaging Authority | https://pypa.io/
 PyCA | Python Cryptographic Authority | https://github.com/pyca/
 PyCQA | Python Code Quality Authority | https://gitlab.com/groups/pycqa/
+PyGA | Python Grammar Authority | https://github.com/pyga/