diff --git a/stores/calculation/values.ts b/stores/calculation/values.ts
index 47fb25f..3a002b9 100644
--- a/stores/calculation/values.ts
+++ b/stores/calculation/values.ts
@@ -1,4 +1,3 @@
-import { pick } from 'lodash';
 import { makeAutoObservable } from 'mobx';
 import { RootStore } from '../root';
 import { Values } from './types';
@@ -23,7 +22,10 @@ export class ValuesStore {
   }
 
   getValues(valuesNames: Values[]) {
-    return pick(this.#values, valuesNames);
+    return valuesNames.reduce((values, valueName) => {
+      values[valueName] = this.#values[valueName];
+      return values;
+    }, {} as CalculationValues);
   }
 
   setValue(valueName: Values, value: any) {