diff --git a/build.gradle b/build.gradle
index f8eb1f0a..eb3b1d5f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -13,7 +13,7 @@ subprojects {
     apply plugin: 'net.ltgt.errorprone'
 
     group = 'com.google.tsunami'
-    version = '0.0.20-SNAPSHOT' // Current Tsunami version
+    version = '0.0.21-SNAPSHOT' // Current Tsunami version
 
     repositories {
         maven { // The google mirror is less flaky than mavenCentral()