diff --git a/package.json b/package.json
index e9e89b2..af2101a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@technote-space/ga-framework",
-  "version": "0.14.9",
+  "version": "0.14.10",
   "description": "GA Framework",
   "keywords": [
     "genetic algorithm"
diff --git a/src/app/logic/Algorithm/GeneticAlgorithmBase.ts b/src/app/logic/Algorithm/GeneticAlgorithmBase.ts
index a3e59cf..95cd97c 100644
--- a/src/app/logic/Algorithm/GeneticAlgorithmBase.ts
+++ b/src/app/logic/Algorithm/GeneticAlgorithmBase.ts
@@ -7,5 +7,5 @@ export abstract class GeneticAlgorithmBase<ObjectType> extends AlgorithmBase imp
     //
   }
 
-  public abstract async getObject(): Promise<ObjectType>;
+  public abstract getObject(): Promise<ObjectType>;
 }