diff --git a/ROADMAP.md b/ROADMAP.md
index e08821baa..4b6d23d12 100644
--- a/ROADMAP.md
+++ b/ROADMAP.md
@@ -7,8 +7,12 @@ functionality.
 ## Versions 0.7X.Y (as needed)
 * Neo 2.0 support (bug fixes, minor functionality additions)
 
-## Version 0.90.0 (April 2020)
-* Neo 3.0 features preview
+## Version 0.90.0 (June 2020)
+* Neo 3.0 features preview (compatible with v3.0.0-preview2)
+
+## Version 0.91.0 (July/August 2020)
+* Neo 3.0 features preview (more up to date version, will probably sync with
+the next C# implementation preview release)
 
 ## Version 1.0 (2020, aligned with NEO 3.0 release)
 * full NEO 3.0 support