Version 9.1.23-dev

Change-Id: If94c338b3f04fd9402985bfef3d3e54c650247d4
diff --git a/src/main/java/com/android/tools/r8/Version.java b/src/main/java/com/android/tools/r8/Version.java
index 81b8d1d..f0cc0c9 100644
--- a/src/main/java/com/android/tools/r8/Version.java
+++ b/src/main/java/com/android/tools/r8/Version.java
@@ -15,7 +15,7 @@
 
   // 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 = "9.1.22-dev";
+  public static final String LABEL = "9.1.23-dev";
 
   private Version() {
   }