rdflib supports version 1.1

 Updated index.yaml to reflect that

Author: WhiteGobo

index.yaml

@@ -31,7 +31,7 @@ implementations:
     language: Python
   - repo: https://github.com/RDFLib/rdflib
     name: RDFLib
-    jsonldVersion: 1.0
+    jsonldVersion: 1.1
     language: Python
   - repo: https://github.com/niklasl/trld
     name: TRLD