diff --git a/lib/Cargo.toml b/lib/Cargo.toml
index 48809c72..bf92ec2e 100644
--- a/lib/Cargo.toml
+++ b/lib/Cargo.toml
@@ -33,7 +33,7 @@ digest = "0.9"
 regex = "1"
 oxilangtag = "0.1"
 oxiri = "0.1"
-rio_api = "0.5"
+rio_api = "0.6"
 rio_turtle = "0.5"
 rio_xml = "0.5"
 hex = "0.4"