diff --git a/pom.xml b/pom.xml
index 827f4995..34bd3d66 100644
--- a/pom.xml
+++ b/pom.xml
@@ -95,7 +95,7 @@
         <!-- Experimental modules from langchain4j -->
         <version.dev.langchain4j.beta>1.8.0-beta15</version.dev.langchain4j.beta>
         <!-- Base langchain4j version -->
-        <version.dev.langchain4j>1.8.0</version.dev.langchain4j>
+        <version.dev.langchain4j>1.9.1</version.dev.langchain4j>
         <!-- Swagger Parser -->
         <version.io.swagger.parser.v3>2.1.36</version.io.swagger.parser.v3>
         <!-- Checkstyle props -->