diff --git a/core/org.eclipse.cdt.ui/.settings/.api_filters b/core/org.eclipse.cdt.ui/.settings/.api_filters
index 6d77fc00926..55723afdab0 100644
--- a/core/org.eclipse.cdt.ui/.settings/.api_filters
+++ b/core/org.eclipse.cdt.ui/.settings/.api_filters
@@ -4,7 +4,7 @@
         <filter id="305365105">
             <message_arguments>
                 <message_argument value="org.eclipse.cdt.ui.refactoring.actions.Messages"/>
-                <message_argument value="org.eclipse.cdt.ui_5.5.0"/>
+                <message_argument value="org.eclipse.cdt.ui_5.6.0"/>
             </message_arguments>
         </filter>
     </resource>
diff --git a/core/org.eclipse.cdt.ui/META-INF/MANIFEST.MF b/core/org.eclipse.cdt.ui/META-INF/MANIFEST.MF
index 80a26f88146..eb9c2d464a2 100644
--- a/core/org.eclipse.cdt.ui/META-INF/MANIFEST.MF
+++ b/core/org.eclipse.cdt.ui/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.cdt.ui; singleton:=true
-Bundle-Version: 5.5.0.qualifier
+Bundle-Version: 5.6.0.qualifier
 Bundle-Activator: org.eclipse.cdt.ui.CUIPlugin
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin
diff --git a/core/org.eclipse.cdt.ui/pom.xml b/core/org.eclipse.cdt.ui/pom.xml
index f50cfd9479d..b3981b4c87a 100644
--- a/core/org.eclipse.cdt.ui/pom.xml
+++ b/core/org.eclipse.cdt.ui/pom.xml
@@ -11,7 +11,7 @@
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 
-	<version>5.5.0-SNAPSHOT</version>
+	<version>5.6.0-SNAPSHOT</version>
 	<artifactId>org.eclipse.cdt.ui</artifactId>
 	<packaging>eclipse-plugin</packaging>
 </project>
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/PreferenceConstants.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/PreferenceConstants.java
index 6bcaf7ba388..da5ab127bed 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/PreferenceConstants.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/PreferenceConstants.java
@@ -2219,7 +2219,7 @@ public class PreferenceConstants {
 	 *     the workspace setting should be taken. Note that passing {@code null} should be avoided.
 	 * @param defaultValue The default value if not specified in the preferences.
 	 * @return Returns the current value of the preference.
-	 * @since 5.5
+	 * @since 5.6
 	 */
 	public static String getPreference(String key, ICProject project, String defaultValue) {
 		return getPreferenceNode(key, project).get(key, defaultValue);
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/text/ISemanticHighlighter.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/text/ISemanticHighlighter.java
index 65640501405..0c2d3a169bb 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/text/ISemanticHighlighter.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/text/ISemanticHighlighter.java
@@ -13,7 +13,7 @@ package org.eclipse.cdt.ui.text;
  * Interface that must be implemented by contributors to the org.eclipse.cdt.ui.semanticHighlighting extension
  * point.
  *
- * @since 5.5
+ * @since 5.6
  */
 public interface ISemanticHighlighter {
 	/**
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/text/ISemanticToken.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/text/ISemanticToken.java
index c9f3d65020c..239f43f1340 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/text/ISemanticToken.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/text/ISemanticToken.java
@@ -7,7 +7,7 @@ import org.eclipse.cdt.core.dom.ast.IBinding;
 /**
  * An interface for accessing details of the token that is being highlighted.
  *
- * @since 5.5
+ * @since 5.6
  */
 public interface ISemanticToken {
 	/**