diff --git a/.editorconfig b/.editorconfig
index 9cdaec79c..33e02da18 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -10,3 +10,6 @@ trim_trailing_whitespace = true
 
 [/config.xml]
 indent_size = 4
+
+[*.webmanifest]
+indent_size = 4