diff --git a/core/src/main/java/org/apache/struts2/views/freemarker/FreemarkerManager.java b/core/src/main/java/org/apache/struts2/views/freemarker/FreemarkerManager.java
index e6432d337..3824a43c6 100644
--- a/core/src/main/java/org/apache/struts2/views/freemarker/FreemarkerManager.java
+++ b/core/src/main/java/org/apache/struts2/views/freemarker/FreemarkerManager.java
@@ -358,7 +358,7 @@ public class FreemarkerManager {
     }
 
     protected Version getFreemarkerVersion(ServletContext servletContext) {
-        Version incompatibleImprovements = Configuration.VERSION_2_3_33;
+        Version incompatibleImprovements = Configuration.VERSION_2_3_34;
 
         String incompatibleImprovementsParam = servletContext.getInitParameter("freemarker." + Configuration.INCOMPATIBLE_IMPROVEMENTS_KEY_SNAKE_CASE);
         if (incompatibleImprovementsParam != null) {
diff --git a/core/src/test/java/org/apache/struts2/views/freemarker/FreemarkerManagerTest.java b/core/src/test/java/org/apache/struts2/views/freemarker/FreemarkerManagerTest.java
index 8abfafc19..834983fca 100644
--- a/core/src/test/java/org/apache/struts2/views/freemarker/FreemarkerManagerTest.java
+++ b/core/src/test/java/org/apache/struts2/views/freemarker/FreemarkerManagerTest.java
@@ -97,7 +97,7 @@ public class FreemarkerManagerTest extends StrutsInternalTestCase {
         tpl.process(model, out);
 
         // then
-        assertEquals(Configuration.VERSION_2_3_33, configuration.getIncompatibleImprovements());
+        assertEquals(Configuration.VERSION_2_3_34, configuration.getIncompatibleImprovements());
         assertEquals("<input type=\"text\" onclick=\"this.alert('It&#39;s an error message')\"/>", out.toString());
     }