diff --git a/cif_core_multiblock.dic b/cif_core_multiblock.dic
index 714ef03..e79b39e 100644
--- a/cif_core_multiblock.dic
+++ b/cif_core_multiblock.dic
@@ -10,7 +10,7 @@ data_CIF_CORE_MULTIBLOCK
 
     _dictionary.title             CIF_CORE_MULTIBLOCK
     _dictionary.class             Instance
-    _dictionary.version           1.1.0
+    _dictionary.version           1.1.1-dev
     _dictionary.date              2026-07-01
     _dictionary.uri
 ;\
@@ -1581,4 +1581,9 @@ save_
 
        Renamed dictionary to CIF_CORE_MULTIBLOCK and adjusted the head
        category name accordingly.
+;
+         1.1.1-dev                2026-07-01
+;
+       # Add update summary below and change date above until ready for
+       # release.
 ;