diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 1e3fa16..f19d683 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -7,3 +7,6 @@
 
 ## 0.1.4 (Released 2021/05/13)
 * upgraded dependencies
+
+## 0.1.5 (Released 2021/05/14)
+* handling missing configuration gracefully