diff --git a/ethers-solc/src/artifacts.rs b/ethers-solc/src/artifacts.rs
index 8a154da9..5977b43c 100644
--- a/ethers-solc/src/artifacts.rs
+++ b/ethers-solc/src/artifacts.rs
@@ -752,6 +752,7 @@ impl<'a> fmt::Display for OutputDiagnostics<'a> {
 
 /// Represents a compiled solidity contract
 #[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+#[serde(rename_all = "camelCase")]
 pub struct Contract {
     /// The Ethereum Contract Metadata.
     /// See https://docs.soliditylang.org/en/develop/metadata.html
@@ -764,7 +765,7 @@ pub struct Contract {
     pub devdoc: DevDoc,
     #[serde(default, skip_serializing_if = "Option::is_none")]
     pub ir: Option<String>,
-    #[serde(default, rename = "storageLayout", skip_serializing_if = "StorageLayout::is_empty")]
+    #[serde(default, skip_serializing_if = "StorageLayout::is_empty")]
     pub storage_layout: StorageLayout,
     /// EVM-related outputs
     #[serde(default, skip_serializing_if = "Option::is_none")]
@@ -772,6 +773,8 @@ pub struct Contract {
     /// Ewasm related outputs
     #[serde(default, skip_serializing_if = "Option::is_none")]
     pub ewasm: Option<Ewasm>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub ir_optimized: Option<String>,
 }
 
 /// Minimal representation of a contract with a present abi and bytecode.
diff --git a/ethers-solc/src/config.rs b/ethers-solc/src/config.rs
index 93cad0de..80208792 100644
--- a/ethers-solc/src/config.rs
+++ b/ethers-solc/src/config.rs
@@ -653,6 +653,29 @@ impl ArtifactOutput for MinimalCombinedArtifacts {
                         ))
                     })?;
                 }
+
+                if let Some(iropt) = &contract.ir_optimized {
+                    fs::write(&file.with_extension("iropt"), iropt)
+                        .map_err(|err| SolcError::io(err, file.with_extension("iropt")))?
+                }
+
+                if let Some(ir) = &contract.ir {
+                    fs::write(&file.with_extension("ir"), ir)
+                        .map_err(|err| SolcError::io(err, file.with_extension("ir")))?
+                }
+
+                if let Some(ewasm) = &contract.ewasm {
+                    fs::write(&file.with_extension("ewasm"), serde_json::to_vec_pretty(&ewasm)?)
+                        .map_err(|err| SolcError::io(err, file.with_extension("ewasm")))?;
+                }
+
+                if let Some(evm) = &contract.evm {
+                    if let Some(asm) = &evm.assembly {
+                        fs::write(&file.with_extension("asm"), asm)
+                            .map_err(|err| SolcError::io(err, file.with_extension("asm")))?
+                    }
+                }
+
                 let min = CompactContractBytecode::from(contract.clone());
                 fs::write(&file, serde_json::to_vec_pretty(&min)?)
                     .map_err(|err| SolcError::io(err, file))?