diff --git a/Cargo.toml b/Cargo.toml
index de36d461..b13b6f77 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,11 +11,11 @@ env_logger = "0.10.0"
 
 parking_lot = "0.12.1"
 
-fea-rs = "0.10.0"
+fea-rs = "0.12.0"
 font-types = { version = "0.3.3", features = ["serde"] }
-read-fonts = "0.8.0"
-write-fonts = "0.11.0"
-skrifa = "0.7.0"
+read-fonts = "0.10.0"
+write-fonts = "0.13.0"
+skrifa = "0.9.0"
 
 bitflags = "2.0"
 chrono = { version = "0.4.24", features = ["serde"] }
diff --git a/fontbe/src/error.rs b/fontbe/src/error.rs
index b5fb3017..c5457469 100644
--- a/fontbe/src/error.rs
+++ b/fontbe/src/error.rs
@@ -6,7 +6,7 @@ use fontdrasil::types::GlyphName;
 use fontir::variations::DeltaError;
 use read_fonts::ReadError;
 use thiserror::Error;
-use write_fonts::tables::{glyf::BadKurbo, gvar::GvarInputError, variations::IupError};
+use write_fonts::tables::{glyf::MalformedPath, gvar::GvarInputError, variations::IupError};
 
 #[derive(Debug, Error)]
 pub enum Error {
@@ -19,7 +19,7 @@ pub enum Error {
     #[error("'{glyph_name}' {kurbo_problem:?} {context}")]
     KurboError {
         glyph_name: GlyphName,
-        kurbo_problem: BadKurbo,
+        kurbo_problem: MalformedPath,
         context: String,
     },
     #[error("'{glyph}' references {referenced_glyph}, {problem}")]
diff --git a/fontbe/src/font.rs b/fontbe/src/font.rs
index 6931147b..2d85ee77 100644
--- a/fontbe/src/font.rs
+++ b/fontbe/src/font.rs
@@ -144,7 +144,7 @@ impl Work<Context, AnyWorkId, Error> for FontWork {
             }
             debug!("Grabbing {tag} for final font");
             let bytes = bytes_for(context, work_id.clone())?;
-            builder.add_table(*tag, bytes);
+            builder.add_raw(*tag, bytes);
         }
 
         debug!("Building font");
diff --git a/fontbe/src/glyphs.rs b/fontbe/src/glyphs.rs
index d4649cec..c3d4570b 100644
--- a/fontbe/src/glyphs.rs
+++ b/fontbe/src/glyphs.rs
@@ -22,9 +22,7 @@ use read_fonts::{
 };
 use write_fonts::{
     tables::{
-        glyf::{
-            simple_glyphs_from_kurbo, Bbox, Component, ComponentFlags, CompositeGlyph, SimpleGlyph,
-        },
+        glyf::{Bbox, Component, ComponentFlags, CompositeGlyph, SimpleGlyph},
         variations::iup_delta_optimize,
     },
     OtRound,
@@ -290,8 +288,8 @@ impl Work<Context, AnyWorkId, Error> for GlyphWork {
             CheckedGlyph::Contour { name, paths } => {
                 // Convert paths to SimpleGlyphs in parallel so we can get consistent point streams
                 let (locations, bezpaths): (Vec<_>, Vec<_>) = paths.into_iter().unzip();
-                let simple_glyphs =
-                    simple_glyphs_from_kurbo(&bezpaths).map_err(|e| Error::KurboError {
+                let simple_glyphs = SimpleGlyph::interpolatable_glyphs_from_bezpaths(&bezpaths)
+                    .map_err(|e| Error::KurboError {
                         glyph_name: self.glyph_name.clone(),
                         kurbo_problem: e,
                         context: bezpaths
diff --git a/fontbe/src/metrics_and_limits.rs b/fontbe/src/metrics_and_limits.rs
index dedf9f74..c74ed310 100644
--- a/fontbe/src/metrics_and_limits.rs
+++ b/fontbe/src/metrics_and_limits.rs
@@ -381,7 +381,7 @@ mod tests {
             0,
             &crate::orchestration::Glyph::Simple(
                 "don't care".into(),
-                SimpleGlyph::from_kurbo(
+                SimpleGlyph::from_bezpath(
                     &BezPath::from_svg("M-437,611 L-334,715 L-334,611 Z").unwrap(),
                 )
                 .unwrap(),