diff --git a/build.gradle b/build.gradle
index a182895b23..b6124e744f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -64,7 +64,7 @@ def getDevelopmentVersion() {
 
 def reactiveStreamsVersion = '1.0.3'
 def releaseVersion = System.env.RELEASE_VERSION
-def antlrVersion = '4.11.1' // https://mvnrepository.com/artifact/org.antlr/antlr4-runtime
+def antlrVersion = '4.13.2' // https://mvnrepository.com/artifact/org.antlr/antlr4-runtime
 def guavaVersion = '32.1.2-jre'
 version = releaseVersion ? releaseVersion : getDevelopmentVersion()
 group = 'com.graphql-java'