diff --git a/CHANGELOG.md b/CHANGELOG.md
index ce389f6..c52d231 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.4.3
+
+* Make `Deserializer` type public in order to allow to compose it with wrapper types
+
 # 0.4.2
 
 * Correctly deserialize empty strings into empty sequence [#51](https://github.com/softprops/envy/pull/51)
diff --git a/Cargo.toml b/Cargo.toml
index ea442ea..f1ae1a1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "envy"
-version = "0.4.2"
+version = "0.4.3"
 authors = ["softprops <d.tangren@gmail.com>"]
 description = "deserialize env vars into typesafe structs"
 documentation = "https://softprops.github.io/envy"
diff --git a/src/lib.rs b/src/lib.rs
index 3882ef9..319f4d1 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -76,7 +76,7 @@ pub use crate::error::Error;
 pub type Result<T> = std::result::Result<T, Error>;
 
 #[derive(Default)]
-struct VarsOptions {
+pub struct VarsOptions {
     keep_names: bool,
 }
 
@@ -261,12 +261,12 @@ impl<'de> de::Deserializer<'de> for VarName {
 }
 
 /// A deserializer for env vars
-struct Deserializer<'de, Iter: Iterator<Item = (String, String)>> {
+pub struct Deserializer<'de, Iter: Iterator<Item = (String, String)>> {
     inner: MapDeserializer<'de, Vars<Iter>, Error>,
 }
 
 impl<'de, Iter: Iterator<Item = (String, String)>> Deserializer<'de, Iter> {
-    fn new(
+    pub fn new(
         vars: Iter,
         options: Option<VarsOptions>,
     ) -> Self {