diff --git a/Changes b/Changes
index ecd5b3d..3e98baa 100644
--- a/Changes
+++ b/Changes
@@ -1,3 +1,6 @@
+0.41 2023-09-13
+    - [bugfix] Disallow empty regex in PQ+ (diewald)
+
 0.40 2023-07-26
     - [feature] Initial support for CQP
       (irimia, margaretha, diewald)