diff --git a/runtime-testsuite/pom.xml b/runtime-testsuite/pom.xml
index fe43d766c3..b9b825d2b5 100644
--- a/runtime-testsuite/pom.xml
+++ b/runtime-testsuite/pom.xml
@@ -30,7 +30,7 @@
 		<dependency>
 			<groupId>org.antlr</groupId>
 			<artifactId>ST4</artifactId>
-			<version>4.3.3</version>
+			<version>4.3.4</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
diff --git a/tool-testsuite/pom.xml b/tool-testsuite/pom.xml
index 5e6d270a2f..7043918f1f 100644
--- a/tool-testsuite/pom.xml
+++ b/tool-testsuite/pom.xml
@@ -30,7 +30,7 @@
     <dependency>
       <groupId>org.antlr</groupId>
       <artifactId>ST4</artifactId>
-      <version>4.3.3</version>
+      <version>4.3.4</version>
       <scope>test</scope>
     </dependency>
     <dependency>
@@ -80,4 +80,4 @@
       </plugin>
     </plugins>
   </build>
-</project>
\ No newline at end of file
+</project>
diff --git a/tool/pom.xml b/tool/pom.xml
index bca1b324ab..45de5eb89b 100644
--- a/tool/pom.xml
+++ b/tool/pom.xml
@@ -34,7 +34,7 @@
 		<dependency>
 			<groupId>org.antlr</groupId>
 			<artifactId>ST4</artifactId>
-			<version>4.3.3</version>
+			<version>4.3.4</version>
 		</dependency>
 		<dependency>
 			<groupId>org.abego.treelayout</groupId>