diff --git a/ant/org.eclipse.ant.ui/Ant Tools Support/org/eclipse/ant/internal/ui/ColorManager.java b/ant/org.eclipse.ant.ui/Ant Tools Support/org/eclipse/ant/internal/ui/ColorManager.java
index f8fedae..9742699 100644
--- a/ant/org.eclipse.ant.ui/Ant Tools Support/org/eclipse/ant/internal/ui/ColorManager.java
+++ b/ant/org.eclipse.ant.ui/Ant Tools Support/org/eclipse/ant/internal/ui/ColorManager.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2013 IBM Corporation and others.
+ * Copyright (c) 2000, 2018 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
@@ -20,6 +20,7 @@
 import org.eclipse.swt.graphics.Color;
 import org.eclipse.swt.graphics.RGB;
 import org.eclipse.swt.widgets.Display;
+import org.eclipse.ui.PlatformUI;
 
 /**
  * Generic color manager.
@@ -44,8 +45,8 @@
 	public Color getColor(RGB rgb) {
 		Color color = fColorTable.get(rgb);
 		if (color == null) {
-			color = new Color(Display.getCurrent(), rgb);
-			fColorTable.put(rgb, color);
+			PlatformUI.getWorkbench().getDisplay().syncExec(() -> fColorTable.put(rgb, new Color(Display.getCurrent(), rgb)));
+			color = fColorTable.get(rgb);
 		}
 		return color;
 	}
diff --git a/ant/org.eclipse.ant.ui/META-INF/MANIFEST.MF b/ant/org.eclipse.ant.ui/META-INF/MANIFEST.MF
index d41e712..a496614 100644
--- a/ant/org.eclipse.ant.ui/META-INF/MANIFEST.MF
+++ b/ant/org.eclipse.ant.ui/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.ant.ui; singleton:=true
-Bundle-Version: 3.7.200.qualifier
+Bundle-Version: 3.7.300.qualifier
 Bundle-Activator: org.eclipse.ant.internal.ui.AntUIPlugin
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin
diff --git a/ant/org.eclipse.ant.ui/pom.xml b/ant/org.eclipse.ant.ui/pom.xml
index 54244a4..a35529d 100644
--- a/ant/org.eclipse.ant.ui/pom.xml
+++ b/ant/org.eclipse.ant.ui/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  Copyright (c) 2012, 2017 Eclipse Foundation and others.
+  Copyright (c) 2012, 2018 Eclipse Foundation and others.
   All rights reserved. This program and the accompanying materials
   are made available under the terms of the Eclipse Distribution License v1.0
   which accompanies this distribution, and is available at
@@ -19,7 +19,7 @@
   </parent>
   <groupId>org.eclipse.ant</groupId>
   <artifactId>org.eclipse.ant.ui</artifactId>
-  <version>3.7.200-SNAPSHOT</version>
+  <version>3.7.300-SNAPSHOT</version>
   <packaging>eclipse-plugin</packaging>
   <properties>
     <defaultSigning-excludeInnerJars>true</defaultSigning-excludeInnerJars>