diff --git a/pyproject.toml b/pyproject.toml
index 5bb20c5bd75e20da67d7b20eb9938177d02820ff..3c8d24134ef08a102ae319241e6c76afc0160708 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ dependencies = [
     "numpy>=1.23",
     "pillow>=10.0",
     "scipy>=1.10",
-    "thd-json>=0.1.0",
+    "thd-json>=0.0.1",
     "xraydb>=4.5.4",
 ]