diff --git a/src/rust/Cargo.lock b/src/rust/Cargo.lock
index d082b6b..fe04699 100644
--- a/src/rust/Cargo.lock
+++ b/src/rust/Cargo.lock
@@ -188,9 +188,9 @@ dependencies = [
 
 [[package]]
 name = "savvy"
-version = "0.1.19"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f4fde07ca332736e5df239a4bcfbbb30cb76c997f4e084694426cf960a275b2"
+checksum = "cb3d94cb5d1f0b63f977a7803e3ec9e53424d88a035f26e28997a1231c6b57aa"
 dependencies = [
  "cc",
  "once_cell",
@@ -200,9 +200,9 @@ dependencies = [
 
 [[package]]
 name = "savvy-bindgen"
-version = "0.1.19"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3d997f061fcdf56ce60b5515f671d3d1b1ef401521c1ee2ed7467492eebfa958"
+checksum = "35048a37c7978a18b4dda9c6a68cee383266f6d3e8009b35f65405fa56c85db8"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -217,9 +217,9 @@ checksum = "3405f314296bdb504aaec0f5ff3551b74917be9dd9d2e36949a672b202b34382"
 
 [[package]]
 name = "savvy-macro"
-version = "0.1.19"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4e884269440be52a9964c656458195f19c8a3deb0e709ac9a9fb9e764826f655"
+checksum = "45b5e2be61d025f196903ad12f4b768df18b7eef2cd04e10c3022c34040e9cb9"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/src/rust/src/lib.rs b/src/rust/src/lib.rs
index cee125b..04b7abc 100644
--- a/src/rust/src/lib.rs
+++ b/src/rust/src/lib.rs
@@ -22,7 +22,7 @@ fn string2any_family(
     tolerance: f64,
     line_width: f64,
     ct: ConversionType,
-) -> savvy::Result<savvy::SEXP> {
+) -> savvy::Result<savvy::Sexp> {
     let mut builder = builder::LyonPathBuilder::new(tolerance as _, line_width as _);
 
     builder
@@ -44,7 +44,7 @@ fn string2any_file(
     tolerance: f64,
     line_width: f64,
     ct: ConversionType,
-) -> savvy::Result<savvy::SEXP> {
+) -> savvy::Result<savvy::Sexp> {
     let mut builder = builder::LyonPathBuilder::new(tolerance as _, line_width as _);
 
     builder.outline_from_file(text, font_file).unwrap();
@@ -65,7 +65,7 @@ fn string2path_family(
     font_weight: &str,
     font_style: &str,
     tolerance: f64,
-) -> savvy::Result<savvy::SEXP> {
+) -> savvy::Result<savvy::Sexp> {
     string2any_family(
         text,
         font_family,
@@ -78,7 +78,7 @@ fn string2path_family(
 }
 
 #[savvy]
-fn string2path_file(text: &str, font_file: &str, tolerance: f64) -> savvy::Result<savvy::SEXP> {
+fn string2path_file(text: &str, font_file: &str, tolerance: f64) -> savvy::Result<savvy::Sexp> {
     string2any_file(text, font_file, tolerance, 0., ConversionType::Path)
 }
 
@@ -90,7 +90,7 @@ fn string2stroke_family(
     font_style: &str,
     tolerance: f64,
     line_width: f64,
-) -> savvy::Result<savvy::SEXP> {
+) -> savvy::Result<savvy::Sexp> {
     string2any_family(
         text,
         font_family,
@@ -108,7 +108,7 @@ fn string2stroke_file(
     font_file: &str,
     tolerance: f64,
     line_width: f64,
-) -> savvy::Result<savvy::SEXP> {
+) -> savvy::Result<savvy::Sexp> {
     string2any_file(text, font_file, tolerance, line_width, ConversionType::Path)
 }
 
@@ -119,7 +119,7 @@ fn string2fill_family(
     font_weight: &str,
     font_style: &str,
     tolerance: f64,
-) -> savvy::Result<savvy::SEXP> {
+) -> savvy::Result<savvy::Sexp> {
     string2any_family(
         text,
         font_family,
@@ -132,12 +132,12 @@ fn string2fill_family(
 }
 
 #[savvy]
-fn string2fill_file(text: &str, font_file: &str, tolerance: f64) -> savvy::Result<savvy::SEXP> {
+fn string2fill_file(text: &str, font_file: &str, tolerance: f64) -> savvy::Result<savvy::Sexp> {
     string2any_file(text, font_file, tolerance, 0., ConversionType::Path)
 }
 
 #[savvy]
-fn dump_fontdb_impl() -> savvy::Result<savvy::SEXP> {
+fn dump_fontdb_impl() -> savvy::Result<savvy::Sexp> {
     let mut source: Vec<String> = Vec::new();
     let mut index: Vec<i32> = Vec::new();
     let mut family: Vec<String> = Vec::new();
diff --git a/src/rust/src/result.rs b/src/rust/src/result.rs
index cf01778..df075c3 100644
--- a/src/rust/src/result.rs
+++ b/src/rust/src/result.rs
@@ -1,4 +1,4 @@
-use savvy::{OwnedIntegerSxp, OwnedRealSxp, OwnedStringSxp};
+use savvy::{OwnedIntegerSexp, OwnedRealSexp, OwnedStringSexp};
 
 /// An intermediate form of the extracted path information to convert to a tibble.
 pub struct PathTibble {
@@ -14,35 +14,35 @@ pub struct PathTibble {
     pub triangle_id: Option<Vec<i32>>,
 }
 
-impl TryFrom<PathTibble> for savvy::SEXP {
+impl TryFrom<PathTibble> for savvy::Sexp {
     type Error = savvy::Error;
 
     fn try_from(value: PathTibble) -> savvy::Result<Self> {
         let len = if value.triangle_id.is_none() { 4 } else { 5 };
-        let mut out = savvy::OwnedListSxp::new(len, true)?;
+        let mut out = savvy::OwnedListSexp::new(len, true)?;
 
-        out.set_name_and_value(0, "x", <OwnedRealSxp>::try_from(value.x.as_slice())?)?;
-        out.set_name_and_value(1, "y", <OwnedRealSxp>::try_from(value.y.as_slice())?)?;
+        out.set_name_and_value(0, "x", <OwnedRealSexp>::try_from(value.x.as_slice())?)?;
+        out.set_name_and_value(1, "y", <OwnedRealSexp>::try_from(value.y.as_slice())?)?;
         out.set_name_and_value(
             2,
             "glyph_id",
-            <OwnedIntegerSxp>::try_from(value.glyph_id.as_slice())?,
+            <OwnedIntegerSexp>::try_from(value.glyph_id.as_slice())?,
         )?;
         out.set_name_and_value(
             3,
             "path_id",
-            <OwnedIntegerSxp>::try_from(value.path_id.as_slice())?,
+            <OwnedIntegerSexp>::try_from(value.path_id.as_slice())?,
         )?;
 
         if let Some(triangle_id) = value.triangle_id {
             out.set_name_and_value(
                 4,
                 "triangle_id",
-                <OwnedIntegerSxp>::try_from(triangle_id.as_slice())?,
+                <OwnedIntegerSexp>::try_from(triangle_id.as_slice())?,
             )?;
         }
 
-        Ok(out.into())
+        out.into()
     }
 }
 
@@ -55,29 +55,37 @@ pub struct FontDBTibble {
     pub style: Vec<String>,
 }
 
-impl TryFrom<FontDBTibble> for savvy::SEXP {
+impl TryFrom<FontDBTibble> for savvy::Sexp {
     type Error = savvy::Error;
     fn try_from(value: FontDBTibble) -> savvy::Result<Self> {
-        let mut out = savvy::OwnedListSxp::new(5, true)?;
+        let mut out = savvy::OwnedListSexp::new(5, true)?;
 
-        out.set_name_and_value(0, "x", <OwnedStringSxp>::try_from(value.source.as_slice())?)?;
-        out.set_name_and_value(1, "y", <OwnedIntegerSxp>::try_from(value.index.as_slice())?)?;
+        out.set_name_and_value(
+            0,
+            "x",
+            <OwnedStringSexp>::try_from(value.source.as_slice())?,
+        )?;
+        out.set_name_and_value(
+            1,
+            "y",
+            <OwnedIntegerSexp>::try_from(value.index.as_slice())?,
+        )?;
         out.set_name_and_value(
             2,
             "family",
-            <OwnedStringSxp>::try_from(value.family.as_slice())?,
+            <OwnedStringSexp>::try_from(value.family.as_slice())?,
         )?;
         out.set_name_and_value(
             3,
             "weight",
-            <OwnedStringSxp>::try_from(value.weight.as_slice())?,
+            <OwnedStringSexp>::try_from(value.weight.as_slice())?,
         )?;
         out.set_name_and_value(
             4,
             "style",
-            <OwnedStringSxp>::try_from(value.style.as_slice())?,
+            <OwnedStringSexp>::try_from(value.style.as_slice())?,
         )?;
 
-        Ok(out.into())
+        out.into()
     }
 }
diff --git a/src/rust/vendor.tar.xz b/src/rust/vendor.tar.xz
index 6c3486e..0c93f03 100644
Binary files a/src/rust/vendor.tar.xz and b/src/rust/vendor.tar.xz differ