diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index e2a117d..da98923 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -8,7 +8,7 @@ mockito = "5.23.0"
 checkstyle = "10.21.4"
 spring-ai = "1.1.4"
 spring-boot = "3.4.2"
-langchain4j = "0.36.2"
+langchain4j = "1.13.0"
 langgraph4j = "1.1.5"
 spotbugs-plugin = "6.4.8"
 shadow = "8.1.1"