Version 8.4.15-dev

Change-Id: Ie17ebd4a92791ae6f22ac7bcfb74e125485b8660
diff --git a/src/main/java/com/android/tools/r8/Version.java b/src/main/java/com/android/tools/r8/Version.java
index 3383579..316d56f 100644
--- a/src/main/java/com/android/tools/r8/Version.java
+++ b/src/main/java/com/android/tools/r8/Version.java
@@ -13,7 +13,7 @@
 
   // This field is accessed from release scripts using simple pattern matching.
   // Therefore, changing this field could break our release scripts.
-  public static final String LABEL = "8.4.14-dev";
+  public static final String LABEL = "8.4.15-dev";
 
   private Version() {
   }