diff --git a/data-prepper-expression/build.gradle b/data-prepper-expression/build.gradle
index 70d3c1d78d..3ace16067c 100644
--- a/data-prepper-expression/build.gradle
+++ b/data-prepper-expression/build.gradle
@@ -13,7 +13,7 @@ ext {
 }
 
 dependencies {
-    antlr('org.antlr:antlr4:4.10.1') {
+    antlr('org.antlr:antlr4:4.13.1') {
         exclude group: 'org.glassfish', module: 'javax.json'
     }
     implementation project(':data-prepper-api')