diff --git a/package.json b/package.json
index b66c7a5..1726aa0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "genetic-search",
-  "version": "0.1.1",
+  "version": "0.1.2",
   "description": "Genetic algorithm implementation library",
   "license": "MIT",
   "repository": {
diff --git a/src/index.ts b/src/index.ts
index a2e87fb..27c56d0 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -11,6 +11,7 @@ import type {
   RunnerStrategyConfig,
   MultiprocessingRunnerStrategyConfig,
   StrategyConfig,
+  GeneticFitConfig,
   GeneticSearchReferenceConfig,
   PopulateStrategyInterface,
   MutationStrategyInterface,
@@ -51,6 +52,7 @@ export type {
   RunnerStrategyConfig,
   MultiprocessingRunnerStrategyConfig,
   StrategyConfig,
+  GeneticFitConfig,
   GeneticSearchReferenceConfig,
   PopulateStrategyInterface,
   MutationStrategyInterface,