diff --git a/derive/Cargo.toml b/derive/Cargo.toml
index 377ff10..4f631c1 100644
--- a/derive/Cargo.toml
+++ b/derive/Cargo.toml
@@ -13,7 +13,7 @@ name = "pest_ast"
 proc-macro = true
 
 [dependencies]
-syn = { version = "2", features = ["extra-traits"] }
+syn = { version = "3", features = ["extra-traits"] }
 quote = "1"
 proc-macro2 = "1"
 itertools = "0.10"
diff --git a/derive/src/attributes.rs b/derive/src/attributes.rs
index 1e6d38c..bcd6e8c 100644
--- a/derive/src/attributes.rs
+++ b/derive/src/attributes.rs
@@ -320,10 +320,10 @@ impl Parse for RuleAttribute {
         let rule = input.parse()?;
         let paren = parenthesized!(content in input);
         let mut path: Path = content.parse()?;
-        let (variant, _) = path.segments.pop().unwrap().into_tuple();
+        let (variant, _) = path.segments.pop_pair().unwrap().into_tuple();
         let sep = if path.segments.trailing_punct() {
             // fix trailing punct
-            let (head, sep) = path.segments.pop().unwrap().into_tuple();
+            let (head, sep) = path.segments.pop_pair().unwrap().into_tuple();
             path.segments.push(head);
             sep.unwrap()
         } else {