diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6886f578..5ddd9fd8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## [0.8.16] - 2023-11-11
+
+### Fixed:
+
+- Reduce size of MIR output (and improve release-mode compile time) when deriving `JsonSchema`
+
 ## [0.8.15] - 2023-09-17
 
 ### Added:
diff --git a/schemars/Cargo.toml b/schemars/Cargo.toml
index 3b54513d..fb6b06e5 100644
--- a/schemars/Cargo.toml
+++ b/schemars/Cargo.toml
@@ -3,7 +3,7 @@ name = "schemars"
 description = "Generate JSON Schemas from Rust code"
 homepage = "https://graham.cool/schemars/"
 repository = "https://github.com/GREsau/schemars"
-version = "0.8.15"
+version = "0.8.16"
 authors = ["Graham Esau <gesau@hotmail.co.uk>"]
 edition = "2021"
 license = "MIT"
@@ -14,7 +14,7 @@ build = "build.rs"
 rust-version = "1.60"
 
 [dependencies]
-schemars_derive = { version = "=0.8.15", optional = true, path = "../schemars_derive" }
+schemars_derive = { version = "=0.8.16", optional = true, path = "../schemars_derive" }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0.25"
 dyn-clone = "1.0"
diff --git a/schemars_derive/Cargo.toml b/schemars_derive/Cargo.toml
index f09fc04d..4535814b 100644
--- a/schemars_derive/Cargo.toml
+++ b/schemars_derive/Cargo.toml
@@ -3,7 +3,7 @@ name = "schemars_derive"
 description = "Macros for #[derive(JsonSchema)], for use with schemars"
 homepage = "https://graham.cool/schemars/"
 repository = "https://github.com/GREsau/schemars"
-version = "0.8.15"
+version = "0.8.16"
 authors = ["Graham Esau <gesau@hotmail.co.uk>"]
 edition = "2021"
 license = "MIT"
diff --git a/schemars_derive/src/metadata.rs b/schemars_derive/src/metadata.rs
index 32dbf671..e9637044 100644
--- a/schemars_derive/src/metadata.rs
+++ b/schemars_derive/src/metadata.rs
@@ -15,12 +15,13 @@ impl<'a> SchemaMetadata<'a> {
     pub fn apply_to_schema(&self, schema_expr: &mut TokenStream) {
         let setters = self.make_setters();
         if !setters.is_empty() {
-            *schema_expr = quote! {
-                schemars::_private::apply_metadata(#schema_expr, schemars::schema::Metadata {
+            *schema_expr = quote! {{
+                let schema = #schema_expr;
+                schemars::_private::apply_metadata(schema, schemars::schema::Metadata {
                     #(#setters)*
                     ..Default::default()
                 })
-            }
+            }}
         }
     }