diff --git a/pyproject.toml b/pyproject.toml
index 4705ff30..ea75df5f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -90,6 +90,7 @@ build-backend = "setuptools.build_meta"
 
 [tool.setuptools.package-data]
 "aare.gui.graphics" = ["*.svg", "*.png"]
+"*" = ["*.json"]
 
 [tool.black]
 line-length = 100