diff --git a/build.gradle b/build.gradle
index 0a0c7ae..5eb241c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -40,7 +40,7 @@ repositories {
 
 
 dependencies {
-    compile "com.graphql-java:graphql-java:17.0"
+    compile "com.graphql-java:graphql-java:18.0"
 
     testImplementation 'org.spockframework:spock-core:1.3-groovy-2.5'
     testImplementation('org.codehaus.groovy:groovy:2.5.13')