diff --git a/metadata/org.mozilla.klar.txt b/metadata/org.mozilla.klar.txt
index e4e689534f..dcf6acde87 100644
--- a/metadata/org.mozilla.klar.txt
+++ b/metadata/org.mozilla.klar.txt
@@ -87,6 +87,14 @@ Build:2.5,16
     prebuild=echo 'ext { generatedVersionCode = $$VERCODE$$ }' > ../tools/gradle/versionCode.gradle && \
         sed -i -e '/focusCompile/d; /geckoCompile/d' build.gradle
 
+Build:4.0.1,17
+    commit=v4.0.1-RC1
+    subdir=app
+    gradle=klar,webview
+    rm=app/libs/*
+    prebuild=echo 'ext { generatedVersionCode = $$VERCODE$$ }' > ../tools/gradle/versionCode.gradle && \
+        sed -i -e '/focusCompile/d; /geckoCompile/d' build.gradle
+
 Maintainer Notes:
 Cannot use AUM/UCM because version code is not updated, see
 https://github.com/mozilla-mobile/focus-android/issues/1528.
@@ -96,5 +104,5 @@ Increment version code by 1 on each release.
 
 Auto Update Mode:None
 Update Check Mode:None
-Current Version:2.5
-Current Version Code:16
+Current Version:4.0.1
+Current Version Code:17