diff --git a/crates/config/src/lib.rs b/crates/config/src/lib.rs
index 577b6bfac16c1..27e5f85059a59 100644
--- a/crates/config/src/lib.rs
+++ b/crates/config/src/lib.rs
@@ -857,6 +857,17 @@ impl Config {
         config.normalize_optimizer_settings();
         config.normalize_hardfork_settings().map_err(ExtractConfigError::new)?;
 
+        // Validate optimizer_runs does not exceed u32::MAX (Solidity compiler limit)
+        if let Some(runs) = config.optimizer_runs
+            && runs > u32::MAX as usize
+        {
+            return Err(ExtractConfigError::new(Error::from(format!(
+                "`optimizer_runs` value {} exceeds maximum allowed value of {}",
+                runs,
+                u32::MAX
+            ))));
+        }
+
         Ok(config)
     }