diff --git a/.github/labeler.yml b/.github/labeler.yml
index ddab4850089..6af5582c16a 100644
--- a/.github/labeler.yml
+++ b/.github/labeler.yml
@@ -5,8 +5,14 @@
 - Zend/Optimizer/**/*
 
 "Category: Build System":
-- build/*
+- '**/*.m4'
+- '**/*.w32'
+- build/**/*
+- buildconf
+- buildconf.bat
+- configure.ac
 - scripts/**/*
+- win32/build/**/*
 
 "Extension: bcmath":
 - ext/bcmath/**/*