diff --git a/hover/src/main/java/io/mattcarroll/hover/HoverViewState.java b/hover/src/main/java/io/mattcarroll/hover/HoverViewState.java
index 6a175af..e77e01c 100644
--- a/hover/src/main/java/io/mattcarroll/hover/HoverViewState.java
+++ b/hover/src/main/java/io/mattcarroll/hover/HoverViewState.java
@@ -22,7 +22,7 @@
  * A state of a {@link HoverView}. {@code HoverView} is implemented with a state pattern and this
  * is the interface that is implemented by all such states.
  */
-interface HoverViewState {
+public interface HoverViewState {
     /**
      * Activates this state.
      * @param hoverView hoverView