diff --git a/pom.xml b/pom.xml
index fb745e5..0fcb504 100644
--- a/pom.xml
+++ b/pom.xml
@@ -179,7 +179,7 @@
net.sourceforge.plantuml
plantuml
- 1.2019.1
+ 1.2019.4
javax.servlet
diff --git a/src/main/java/net/sourceforge/plantuml/servlet/PlantUmlServlet.java b/src/main/java/net/sourceforge/plantuml/servlet/PlantUmlServlet.java
index 961b156..6f2ae11 100644
--- a/src/main/java/net/sourceforge/plantuml/servlet/PlantUmlServlet.java
+++ b/src/main/java/net/sourceforge/plantuml/servlet/PlantUmlServlet.java
@@ -37,6 +37,7 @@ import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
+import net.sourceforge.plantuml.OptionFlags;
import net.sourceforge.plantuml.api.PlantumlUtils;
import net.sourceforge.plantuml.code.Transcoder;
import net.sourceforge.plantuml.code.TranscoderUtil;
@@ -63,6 +64,9 @@ public class PlantUmlServlet extends HttpServlet {
public static final Pattern URL_PATTERN = Pattern.compile("^.*[^a-zA-Z0-9\\-\\_]([a-zA-Z0-9\\-\\_]+)");
private static final Pattern RECOVER_UML_PATTERN = Pattern.compile("/uml/(.*)");
+ static {
+ OptionFlags.ALLOW_INCLUDE = false;
+ }
@Override
public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {