diff --git a/build.gradle b/build.gradle
index 667f8cb..587ec76 100644
--- a/build.gradle
+++ b/build.gradle
@@ -47,7 +47,7 @@ dependencies {
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.8.1'
 
     antlr "org.antlr:antlr4:4.10.1"
-    compile "org.antlr:antlr4-runtime:4.10.1"
+    compile "org.antlr:antlr4-runtime:4.12.0"
 }
 
 generateGrammarSource {