diff --git a/aivika-experiment-diagrams.cabal b/aivika-experiment-diagrams.cabal
--- a/aivika-experiment-diagrams.cabal
+++ b/aivika-experiment-diagrams.cabal
@@ -1,5 +1,5 @@
 name:            aivika-experiment-diagrams
-version:         1.4
+version:         2.1
 synopsis:        Diagrams backend for the Aivika simulation library
 description:
     This package complements the Aivika and Aivika Experiment packages 
@@ -26,8 +26,8 @@
                      filepath >= 1.3.0.0,
                      Chart >= 1.3.1,
                      Chart-diagrams >= 1.3.1,
-                     aivika-experiment >= 1.4,
-                     aivika-experiment-chart >= 1.4
+                     aivika-experiment >= 2.1,
+                     aivika-experiment-chart >= 2.1
 
     extensions:      MultiParamTypeClasses