Version 3.1.81

Bug: b/236875523
Change-Id: I06460b5747d8a21a436697345a587e122d97f7c6
diff --git a/src/main/java/com/android/tools/r8/Version.java b/src/main/java/com/android/tools/r8/Version.java
index 18d3d8a..4d09763 100644
--- a/src/main/java/com/android/tools/r8/Version.java
+++ b/src/main/java/com/android/tools/r8/Version.java
@@ -11,7 +11,7 @@
 
   // 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 = "3.1.80";
+  public static final String LABEL = "3.1.81";
 
   private Version() {
   }