diff --git a/reactfx/src/main/java/org/reactfx/EventStream.java b/reactfx/src/main/java/org/reactfx/EventStream.java
index de6effa..7be5daf 100644
--- a/reactfx/src/main/java/org/reactfx/EventStream.java
+++ b/reactfx/src/main/java/org/reactfx/EventStream.java
@@ -101,6 +101,14 @@ default EventStream<T> distinct() {
         return new DistinctStream<>(this);
     }
 
+    /**
+     * Returns an event stream that emits the given constant value every time
+     * this stream emits a value.
+     */
+    default <U> EventStream<U> supply(U value) {
+        return map(x -> value);
+    }
+
     /**
      * Returns an event stream that emits a value obtained from the given
      * supplier every time this event stream emits a value.