diff --git a/build.gradle b/build.gradle
index b776df2..eacfa6f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -63,14 +63,14 @@ sourceSets {
 }
 
 dependencies {
-    antlr 'org.antlr:antlr4:4.9.2'
+    antlr 'org.antlr:antlr4:4.12.0'
 
     compile sourceSets.api.output
     compile 'org.slf4j:slf4j-api:1.7.32'
     
     langCompile sourceSets.api.output
     langCompile sourceSets.main.output
-    langCompile 'org.antlr:antlr4:4.8'
+    langCompile 'org.antlr:antlr4:4.12.0'
     langCompile 'org.slf4j:slf4j-api:1.7.30'
     
     testCompile sourceSets.lang.output