diff --git a/build.gradle b/build.gradle
index 8d63c73..06e428d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -41,7 +41,7 @@ repositories {
 }
 
 dependencies {
-    implementation "com.graphql-java:graphql-java:21.1"
+    implementation "com.graphql-java:graphql-java:21.3"
 
     testImplementation 'org.spockframework:spock-core:1.3-groovy-2.5'
     testImplementation('org.codehaus.groovy:groovy:2.5.13')