diff --git a/Cargo.lock b/Cargo.lock
index d82cf66ac6d5..de7128f57bbe 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -78,9 +78,9 @@ checksum = "0942ffc6dcaadf03badf6e6a2d0228460359d5e34b57ccdc720b7382dfbd5ec5"
 
 [[package]]
 name = "alloy-chains"
-version = "0.1.4"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e7f12f8177eddf9275fa9ae5fd73b50cee062f9b1eb95ef435f28354c79ba386"
+checksum = "4df496257fe2fae392687ef30207325c50c68520108a94798b0c6cc1a6102f70"
 dependencies = [
  "num_enum",
  "serde",
diff --git a/Cargo.toml b/Cargo.toml
index f04f0f55671a..398936a74955 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -148,7 +148,7 @@ alloy-json-abi = "0.5.0"
 alloy-sol-types = "0.5.0"
 syn-solidity = "0.5.0"
 
-alloy-chains = "0.1.4"
+alloy-chains = "0.1.5"
 alloy-rlp = "0.3.3"
 solang-parser = "=0.3.3"
 
diff --git a/crates/config/src/etherscan.rs b/crates/config/src/etherscan.rs
index 01e0f3b92450..1af928b7cced 100644
--- a/crates/config/src/etherscan.rs
+++ b/crates/config/src/etherscan.rs
@@ -194,7 +194,9 @@ impl EtherscanConfig {
                 Ok(ResolvedEtherscanConfig { api_url, browser_url: None, key, chain: None })
             }
             (None, None) => {
-                let msg = alias.map(|a| format!(" for Etherscan config `{a}`")).unwrap_or_default();
+                let msg = alias
+                    .map(|a| format!(" for Etherscan config with unknown alias `{a}`"))
+                    .unwrap_or_default();
                 Err(EtherscanConfigError::MissingUrlOrChain(msg))
             }
         }
diff --git a/crates/config/src/lib.rs b/crates/config/src/lib.rs
index 5175775315d5..e2725d6a6c13 100644
--- a/crates/config/src/lib.rs
+++ b/crates/config/src/lib.rs
@@ -3089,6 +3089,33 @@ mod tests {
         })
     }
 
+    #[test]
+    fn test_resolve_rpc_aliases() {
+        figment::Jail::expect_with(|jail| {
+            jail.create_file(
+                "foundry.toml",
+                r#"
+               [profile.default]
+               [etherscan]
+               arbitrum_alias = { key = "${TEST_RESOLVE_RPC_ALIAS_ARBISCAN}" }
+               [rpc_endpoints]
+               arbitrum_alias = "https://arb-mainnet.g.alchemy.com/v2/${TEST_RESOLVE_RPC_ALIAS_ARB_ONE}"
+            "#,
+            )?;
+
+            jail.set_env("TEST_RESOLVE_RPC_ALIAS_ARB_ONE", "123455");
+            jail.set_env("TEST_RESOLVE_RPC_ALIAS_ARBISCAN", "123455");
+
+            let config = Config::load();
+
+            let config = config.get_etherscan_config_with_chain(Some(NamedChain::Arbitrum.into()));
+            assert!(config.is_err());
+            assert_eq!(config.unwrap_err().to_string(), "At least one of `url` or `chain` must be present for Etherscan config with unknown alias `arbitrum_alias`");
+
+            Ok(())
+        });
+    }
+
     #[test]
     fn test_resolve_endpoints() {
         figment::Jail::expect_with(|jail| {