diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index f00e1df01..f4416d2f0 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -37,7 +37,7 @@ auto-value = "1.8.2"
 findbugs = "3.0.2"
 rhino-runtime = "1.7.13"
 zstd-jni = "1.4.8-1" # Not latest as it can be difficult to obtain latest ZSTD libs
-antlr4 = "4.9.2"
+antlr4 = "4.9.3"
 json-simple = "1.1.1"
 paranamer = "2.8"
 jlibnoise = "1.0.0"