diff --git a/pom.xml b/pom.xml
index ecd986d103..2d8323ccbf 100644
--- a/pom.xml
+++ b/pom.xml
@@ -57,7 +57,7 @@
         <dependency.acs-event-model.version>0.0.16</dependency.acs-event-model.version>
 
         <dependency.spring.version>5.3.23</dependency.spring.version>
-        <dependency.antlr.version>3.5.2</dependency.antlr.version>
+        <dependency.antlr.version>3.5.3</dependency.antlr.version>
         <dependency.jackson.version>2.13.3</dependency.jackson.version>
         <dependency.jackson-databind.version>2.13.3</dependency.jackson-databind.version>
         <dependency.cxf.version>3.5.3</dependency.cxf.version>