diff --git a/lib/LambdaManager.js b/lib/LambdaManager.js
index e2b4bc8..4127736 100644
--- a/lib/LambdaManager.js
+++ b/lib/LambdaManager.js
@@ -88,7 +88,15 @@ LambdaManager.prototype.cleanupProduction = async function(functionName, forceRe
           await this.LambdaFactory.deleteAlias({ FunctionName: functionName, Name: alias }).promise();
         }
       }
-      await this.LambdaFactory.deleteFunction({ FunctionName: functionName, Qualifier: versionData.Version }).promise();
+      try {
+        await this.LambdaFactory.deleteFunction({ FunctionName: functionName, Qualifier: versionData.Version }).promise();
+      } catch (error) {
+        if (error.code === 'ResourceConflictException' && error.message.startsWith('Unable to delete version because the following aliases reference it:')) {
+          continue;
+        }
+        console.log(`    Failed to delete version, due to error: (${error.code}) ${error.message}`);
+        throw error;
+      }
     }
   }
 };