diff --git a/src/main/java/li/cil/oc/api/CreativeTab.java b/src/main/java/li/cil/oc/api/CreativeTab.java
index 23ae07ca4..f3060d30a 100644
--- a/src/main/java/li/cil/oc/api/CreativeTab.java
+++ b/src/main/java/li/cil/oc/api/CreativeTab.java
@@ -12,4 +12,7 @@ public final class CreativeTab {
      * Changed to the actual tab if OC is present.
      */
     public static CreativeTabs Instance = CreativeTabs.tabRedstone;
+
+    private CreativeTab() {
+    }
 }
diff --git a/src/main/java/li/cil/oc/api/package-info.java b/src/main/java/li/cil/oc/api/package-info.java
index 7467eaf89..cb3cb196d 100644
--- a/src/main/java/li/cil/oc/api/package-info.java
+++ b/src/main/java/li/cil/oc/api/package-info.java
@@ -37,5 +37,5 @@
 @cpw.mods.fml.common.API(
         owner = "OpenComputers|Core",
         provides = "OpenComputersAPI",
-        apiVersion = "1.4.2")
+        apiVersion = "1.4.3")
 package li.cil.oc.api;
\ No newline at end of file