diff --git a/README.md b/README.md
index b7daa7fb..61359d8e 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# UCAN Invocation Specification v0.2.0
+# UCAN Invocation Specification v1.0.0-rc.1
 
 ## Editors