Update links to external crates
diff --git a/src/parse_quote.rs b/src/parse_quote.rs
index 0c70b08..07320e2 100644
--- a/src/parse_quote.rs
+++ b/src/parse_quote.rs
@@ -1,7 +1,7 @@
/// Quasi-quotation macro that accepts input like the [`quote!`] macro but uses
/// type inference to figure out a return type for those tokens.
///
-/// [`quote!`]: https://docs.rs/quote/0.4/quote/index.html
+/// [`quote!`]: https://docs.rs/quote/0.6/quote/index.html
///
/// The return type can be any syntax tree node that implements the [`Synom`]
/// trait.