diff --git a/build.gradle b/build.gradle
index 3d34961..6e0eb74 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,7 @@ repositories {
 }
 
 dependencies {
-    antlr 'org.antlr:antlr4:4.8-1'
+    antlr 'org.antlr:antlr4:4.13.2'
     testCompile 'junit:junit:4.13.2'
 }