diff --git a/build.gradle b/build.gradle
index 6cd7312..3d725be 100644
--- a/build.gradle
+++ b/build.gradle
@@ -38,7 +38,7 @@ compileJava {
 }
 
 dependencies {
-    compile("com.google.cloud:google-cloud-dialogflow:4.5.2")
+    compile("com.google.cloud:google-cloud-dialogflow:4.18.0")
     compile("org.apache.commons:commons-text:1.9")
     compile("org.apache.logging.log4j:log4j-api:2.17.1")
     compile("org.apache.logging.log4j:log4j-core:2.17.1")