diff --git a/wren-launcher/config/config.go b/wren-launcher/config/config.go
index f35326a4c..dd518993e 100644
--- a/wren-launcher/config/config.go
+++ b/wren-launcher/config/config.go
@@ -18,7 +18,7 @@ func InitFlags() {
 	flag.StringVar(&llmProvider, "llm-provider", "", "The LLM provider to use, valid values are: openai, custom")
 	flag.StringVar(&openaiAPIKey, "openai-api-key", "", "The OPENAI API key")
 	flag.StringVar(&openaiGenerationModel, "openai-generation-model", "", "The OPENAI generation model, valid values are: gpt-4o-mini, gpt-4o")
-	flag.BoolVar(&experimentalEngineRustVersion, "experimental-engine-rust-version", false, "Use the experimental Rust version of the Wren Engine")
+	flag.BoolVar(&experimentalEngineRustVersion, "experimental-engine-rust-version", true, "Use the experimental Rust version of the Wren Engine")
 	flag.StringVar(&platform, "platform", "linux/amd64", "The platform to use, valid values are: linux/amd64, linux/arm64")
 }
 
diff --git a/wren-ui/src/apollo/server/config.ts b/wren-ui/src/apollo/server/config.ts
index 8dd52f965..ad43e2da8 100644
--- a/wren-ui/src/apollo/server/config.ts
+++ b/wren-ui/src/apollo/server/config.ts
@@ -71,7 +71,7 @@ const defaultConfig = {
   wrenAIEndpoint: 'http://localhost:5555',
 
   // ibis server
-  experimentalEngineRustVersion: false,
+  experimentalEngineRustVersion: true,
   ibisServerEndpoint: 'http://127.0.0.1:8000',
 
   // encryption