diff --git a/modules/lang-expression/build.gradle b/modules/lang-expression/build.gradle
index 32322c02d1f..dabbfde754f 100644
--- a/modules/lang-expression/build.gradle
+++ b/modules/lang-expression/build.gradle
@@ -37,7 +37,7 @@ opensearchplugin {
 
 dependencies {
   api "org.apache.lucene:lucene-expressions:${versions.lucene}"
-  api 'org.antlr:antlr4-runtime:4.5.1-1'
+  api 'org.antlr:antlr4-runtime:4.9.3'
   api 'org.ow2.asm:asm:9.2'
   api 'org.ow2.asm:asm-commons:5.0.4'
   api 'org.ow2.asm:asm-tree:5.0.4'
diff --git a/modules/lang-expression/licenses/antlr4-runtime-4.5.1-1.jar.sha1 b/modules/lang-expression/licenses/antlr4-runtime-4.5.1-1.jar.sha1
deleted file mode 100644
index f15e50069ba..00000000000
--- a/modules/lang-expression/licenses/antlr4-runtime-4.5.1-1.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-66144204f9d6d7d3f3f775622c2dd7e9bd511d97
diff --git a/modules/lang-expression/licenses/antlr4-runtime-4.9.3.jar.sha1 b/modules/lang-expression/licenses/antlr4-runtime-4.9.3.jar.sha1
new file mode 100644
index 00000000000..13a2367439e
--- /dev/null
+++ b/modules/lang-expression/licenses/antlr4-runtime-4.9.3.jar.sha1
@@ -0,0 +1 @@
+81befc16ebedb8b8aea3e4c0835dd5ca7e8523a8
\ No newline at end of file