Version 8.9.1-dev

Change-Id: I0898349b2d97869cabe659685e75336bac4e54d2
diff --git a/src/main/java/com/android/tools/r8/Version.java b/src/main/java/com/android/tools/r8/Version.java
index d1f89c8..025c296 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 = "8.9.0-dev";
+  public static final String LABEL = "8.9.1-dev";
 
   private Version() {
   }