diff --git a/DESCRIPTION b/DESCRIPTION
index 454585d..7c5a0ba 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: b64
 Title: Fast and Vectorized Base 64 Engine
-Version: 0.1.0.9000
+Version: 0.1.1
 Authors@R: c(
     person("Josiah", "Parry", , "josiah.parry@gmail.com", role = c("aut", "cre"),
            comment = c(ORCID = "0000-0001-9910-865X")),
diff --git a/src/rust/Cargo.lock b/src/rust/Cargo.lock
index 6ed1954..f227b5b 100644
--- a/src/rust/Cargo.lock
+++ b/src/rust/Cargo.lock
@@ -25,9 +25,9 @@ checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
 
 [[package]]
 name = "extendr-api"
-version = "0.6.0"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7d55a0174c4df17c467fb59b3f836bec31d1af6d56c4182cfdf34a62d1553a4"
+checksum = "b0701db497d091675e50bb10ba870999742cd1e9a9d94cf3fb52f3ea9a7629c0"
 dependencies = [
  "either",
  "extendr-macros",
@@ -38,9 +38,9 @@ dependencies = [
 
 [[package]]
 name = "extendr-macros"
-version = "0.6.0"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33833971650cade4bfa3097b979506bf2b4934b60392e110f95b94c2406cbb84"
+checksum = "33d6b806beee182ab3e1105c822df137913b894847a13ec29dfbff9abfb6d1d2"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -49,18 +49,18 @@ dependencies = [
 
 [[package]]
 name = "itertools"
-version = "0.12.0"
+version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25db6b064527c5d482d0423354fcd07a89a2dfe07b67892e62411946db7f07b0"
+checksum = "ba291022dbbd398a455acf126c1e341954079855bc60dfdda641363bd6922569"
 dependencies = [
  "either",
 ]
 
 [[package]]
 name = "libR-sys"
-version = "0.6.0"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a34aaa68a201f71eab5df5a67d1326add8aaf029434e939353bcab0534919ff1"
+checksum = "44f2e4b6f402557010b557dd181842168db92da2c0d747bd091bd175941c570d"
 
 [[package]]
 name = "once_cell"
diff --git a/src/rust/Cargo.toml b/src/rust/Cargo.toml
index eb37dfa..e6b3e45 100644
--- a/src/rust/Cargo.toml
+++ b/src/rust/Cargo.toml
@@ -5,10 +5,14 @@ version = '0.1.0'
 edition = '2021'
 
 [lib]
-crate-type = [ 'staticlib' ]
+crate-type = ['staticlib']
 name = 'b64'
 
 [dependencies]
 base64 = "0.21.7"
-extendr-api = {version = "*", features = ["either"]}
+extendr-api = { version = "0.7.0", features = ["either"] }
 itertools = "0.12.0"
+
+[profile.release]
+lto = true
+codegen-units = 1
diff --git a/src/rust/src/lib.rs b/src/rust/src/lib.rs
index c95ed35..7484d64 100644
--- a/src/rust/src/lib.rs
+++ b/src/rust/src/lib.rs
@@ -9,7 +9,7 @@ use extendr_api::prelude::*;
 use itertools::{Either, Itertools};
 use std::io::Read;
 
-#[extendr(use_try_from = true)]
+#[extendr]
 fn encode_(what: Either<String, Raw>, engine: Robj) -> String {
     let eng: ExternalPtr<GeneralPurpose> = engine.try_into().unwrap();
     match what {
@@ -18,7 +18,7 @@ fn encode_(what: Either<String, Raw>, engine: Robj) -> String {
     }
 }
 
-#[extendr(use_try_from = true)]
+#[extendr]
 fn encode_vectorized_(what: Either<Strings, List>, engine: Robj) -> Strings {
     let eng: ExternalPtr<GeneralPurpose> = engine.try_into().unwrap();
     match what {
@@ -84,7 +84,7 @@ fn encode_file_(path: &str, engine: Robj) -> String {
 /// @param encoded a character vector of base64 encoded strings.
 /// @export
 /// @rdname utils
-#[extendr(use_try_from = true)]
+#[extendr]
 fn b64_chunk(encoded: Strings, width: Either<i32, f64>) -> List {
     let width = match width {
         Left(l) => l,
@@ -114,7 +114,7 @@ fn b64_chunk(encoded: Strings, width: Either<i32, f64>) -> List {
 /// @param newline a character scalar defining the newline character.
 /// @export
 /// @rdname utils
-#[extendr(use_try_from = true)]
+#[extendr]
 fn b64_wrap(chunks: Either<List, Strings>, newline: &str) -> Strings {
     match chunks {
         Left(l) => l
@@ -136,8 +136,8 @@ fn b64_wrap_(chunks: Strings, newline: &str) -> String {
     chunks.into_iter().join(newline)
 }
 
-#[extendr(use_try_from = true)]
-fn decode_(input: Either<String, Raw>, engine: Robj) -> Robj {
+#[extendr]
+fn decode_(input: Either<String, Raw>, engine: Robj) -> List {
     let eng: ExternalPtr<GeneralPurpose> = engine.try_into().unwrap();
     let res = match input {
         Either::Left(s) => {
@@ -156,10 +156,11 @@ fn decode_(input: Either<String, Raw>, engine: Robj) -> Robj {
     list!(Raw::from_bytes(&res))
         .set_class(&["blob", "vctrs_list_of", "vctrs_vctr", "list"])
         .unwrap()
+        .clone()
 }
 
-#[extendr(use_try_from = true)]
-fn decode_vectorized_(what: Either<Strings, List>, engine: Robj) -> Robj {
+#[extendr]
+fn decode_vectorized_(what: Either<Strings, List>, engine: Robj) -> List {
     let eng: ExternalPtr<GeneralPurpose> = engine.try_into().unwrap();
     match what {
         Either::Left(s) => s
@@ -181,7 +182,8 @@ fn decode_vectorized_(what: Either<Strings, List>, engine: Robj) -> Robj {
             })
             .collect::<List>()
             .set_class(&["blob", "vctrs_list_of", "vctrs_vctr", "list"])
-            .unwrap(),
+            .unwrap()
+            .clone(),
         Either::Right(r) => r
             .into_iter()
             .map(|(_, b)| {
@@ -199,7 +201,8 @@ fn decode_vectorized_(what: Either<Strings, List>, engine: Robj) -> Robj {
             })
             .collect::<List>()
             .set_class(&["blob", "vctrs_list_of", "vctrs_vctr", "list"])
-            .unwrap(),
+            .unwrap()
+            .clone(),
     }
 }
 
diff --git a/src/rust/vendor.tar.xz b/src/rust/vendor.tar.xz
index ac628b4..3c6971a 100644
Binary files a/src/rust/vendor.tar.xz and b/src/rust/vendor.tar.xz differ