diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3ef9be7..cd162b0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,12 @@
 Changelog for eva-submission
 ============================
 
+## 1.15.6 (unreleased)
+----------------------
+
+- Nothing changed yet.
+
+
 ## 1.15.5 (2024-04-12)
 ----------------------
 
diff --git a/eva_submission/VERSION b/eva_submission/VERSION
index d324349..a2fd7da 100644
--- a/eva_submission/VERSION
+++ b/eva_submission/VERSION
@@ -1 +1 @@
-1.15.5
+1.15.6.dev0