diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index aedb6155..5f9d9d05 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.3.14
+current_version = 0.3.15
 commit = True
 tag = True
 allow_dirty = True
diff --git a/src/mplhep/.VERSION b/src/mplhep/.VERSION
index 0b69c00c..9e29e106 100644
--- a/src/mplhep/.VERSION
+++ b/src/mplhep/.VERSION
@@ -1 +1 @@
-0.3.14
+0.3.15