diff --git a/requestty-macro/Cargo.toml b/requestty-macro/Cargo.toml
index 1157092..685cb8c 100644
--- a/requestty-macro/Cargo.toml
+++ b/requestty-macro/Cargo.toml
@@ -15,7 +15,7 @@ proc-macro = true
 
 [dependencies]
 proc-macro2 = "1"
-syn = { version = "1", features = ["full"] }
+syn = "2"
 quote = "1"
 bitflags = "1.3"
 rustversion = "1.0"
diff --git a/requestty-macro/src/helpers.rs b/requestty-macro/src/helpers.rs
index 73c4b41..549dbbb 100644
--- a/requestty-macro/src/helpers.rs
+++ b/requestty-macro/src/helpers.rs
@@ -87,7 +87,9 @@ impl Choices {
             let content;
             syn::bracketed!(content in input);
 
-            content.parse_terminated(parser).map(Choices::Array)
+            content
+                .parse_terminated(parser, Token![,])
+                .map(Choices::Array)
         } else {
             input.parse().map(Choices::Expr)
         }
@@ -205,7 +207,7 @@ fn make_into(expr: syn::Expr) -> syn::Expr {
                 attrs: Vec::new(),
                 qself: None,
                 path: syn::Path {
-                    leading_colon: Some(syn::token::Colon2(expr.span())),
+                    leading_colon: Some(syn::token::PathSep(expr.span())),
                     segments: from_path_segments,
                 },
             }
diff --git a/requestty-macro/src/lib.rs b/requestty-macro/src/lib.rs
index cc93e54..6ecccb1 100644
--- a/requestty-macro/src/lib.rs
+++ b/requestty-macro/src/lib.rs
@@ -55,7 +55,7 @@ impl Parse for Questions {
 
         Ok(Self {
             inline,
-            questions: input.parse_terminated(Question::parse)?,
+            questions: input.parse_terminated(Question::parse, Token![,])?,
         })
     }
 }
diff --git a/requestty-macro/src/question.rs b/requestty-macro/src/question.rs
index 525a9ab..7d54942 100644
--- a/requestty-macro/src/question.rs
+++ b/requestty-macro/src/question.rs
@@ -307,7 +307,7 @@ impl Parse for Question {
         if let QuestionKind::Custom = kind {
             if opts.prompt.is_none() {
                 return Err(syn::Error::new(
-                    brace.span,
+                    brace.span.join(),
                     "missing required option `prompt`",
                 ));
             }
@@ -315,8 +315,9 @@ impl Parse for Question {
 
         Ok(Self {
             kind,
-            name: name
-                .ok_or_else(|| syn::Error::new(brace.span, "missing required option `name`"))?,
+            name: name.ok_or_else(|| {
+                syn::Error::new(brace.span.join(), "missing required option `name`")
+            })?,
             opts,
         })
     }