diff --git a/pdfsam-gui/src/test/java/org/pdfsam/gui/components/content/preference/PreferenceAppearencePaneTest.java b/pdfsam-gui/src/test/java/org/pdfsam/gui/components/content/preference/PreferenceAppearencePaneTest.java
index b68779559..f68994d1f 100644
--- a/pdfsam-gui/src/test/java/org/pdfsam/gui/components/content/preference/PreferenceAppearencePaneTest.java
+++ b/pdfsam-gui/src/test/java/org/pdfsam/gui/components/content/preference/PreferenceAppearencePaneTest.java
@@ -22,6 +22,7 @@
 import javafx.scene.layout.HBox;
 import javafx.stage.Stage;
 import org.apache.commons.lang3.StringUtils;
+import org.junit.jupiter.api.Tag;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.ArgumentCaptor;
@@ -72,6 +73,7 @@ public void start(Stage stage) {
     }
 
     @Test
+    @Tag("NoHeadless")
     public void eventSentOnLocaleChange() {
         Listener<SetLocaleRequest> listener = mock(Listener.class);
         eventStudio().add(SetLocaleRequest.class, listener);
diff --git a/pdfsam-gui/src/test/java/org/pdfsam/gui/components/content/preference/PreferenceComboBoxTest.java b/pdfsam-gui/src/test/java/org/pdfsam/gui/components/content/preference/PreferenceComboBoxTest.java
index 581078ede..654807976 100644
--- a/pdfsam-gui/src/test/java/org/pdfsam/gui/components/content/preference/PreferenceComboBoxTest.java
+++ b/pdfsam-gui/src/test/java/org/pdfsam/gui/components/content/preference/PreferenceComboBoxTest.java
@@ -21,6 +21,7 @@
 import javafx.scene.Scene;
 import javafx.scene.layout.HBox;
 import javafx.stage.Stage;
+import org.junit.jupiter.api.Tag;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.pdfsam.core.context.ApplicationContext;
@@ -61,6 +62,7 @@ public void start(Stage stage) {
     }
 
     @Test
+    @Tag("NoHeadless")
     public void preferenceSetOnClick() {
         robot.clickOn("#victim").clickOn("value2");
         verify(persistentSettings).set(eq(StringPersistentProperty.LOCALE), eq("key2"));
diff --git a/pdfsam-gui/src/test/java/org/pdfsam/gui/components/content/workspace/WorkspaceMenuTest.java b/pdfsam-gui/src/test/java/org/pdfsam/gui/components/content/workspace/WorkspaceMenuTest.java
index a640abda8..73da581cb 100644
--- a/pdfsam-gui/src/test/java/org/pdfsam/gui/components/content/workspace/WorkspaceMenuTest.java
+++ b/pdfsam-gui/src/test/java/org/pdfsam/gui/components/content/workspace/WorkspaceMenuTest.java
@@ -21,6 +21,7 @@
 import javafx.scene.Scene;
 import javafx.stage.Stage;
 import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Tag;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.junit.jupiter.api.io.TempDir;
@@ -47,6 +48,7 @@
  * @author Andrea Vacondio
  */
 @ExtendWith({ ApplicationExtension.class, ClearEventStudioExtension.class })
+@Tag("NoHeadless")
 public class WorkspaceMenuTest {
     private Injector injector;
     private FxRobot robot;
diff --git a/pom.xml b/pom.xml
index 4b062a89d..df76e356b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -277,7 +277,7 @@
 		<mockito.version>5.4.0</mockito.version>
 		<tinylog.version>2.6.2</tinylog.version>
 		<hibernate-validator.version>7.0.5.Final</hibernate-validator.version>
-		<sejda.version>5.0.5</sejda.version>
+		<sejda.version>5.0.6</sejda.version>
 		<sejda-io.version>4.0.0.M2</sejda-io.version>
 		<sejda.commons.version>2.0.0</sejda.commons.version>
 		<eventstudio.version>3.0.4</eventstudio.version>