diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index b6a63c2..d1fd8d0 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -9,7 +9,7 @@ checkstyle = "10.21.4"
 spring-ai = "1.0.0"
 spring-boot = "3.4.2"
 langchain4j = "0.36.2"
-langgraph4j = "1.0.0"
+langgraph4j = "1.1.5"
 spotbugs-plugin = "6.4.8"
 shadow = "8.1.1"