diff --git a/metadata/net.thunderbird.android.beta.yml b/metadata/net.thunderbird.android.beta.yml
index 921a69223e..4b0d0c1e73 100644
--- a/metadata/net.thunderbird.android.beta.yml
+++ b/metadata/net.thunderbird.android.beta.yml
@@ -271,6 +271,20 @@ Builds:
       - sed -i -e 's/feature.funding.googleplay/feature.funding.link/' build.gradle.kts
     build: gradle assembleFossBeta
 
+  - versionName: 13.0b1
+    versionCode: 27
+    commit: 1b14c0f834400d44903a3b023aff54d1e1e1b035
+    subdir: app-thunderbird
+    output: build/outputs/apk/foss/beta/app-thunderbird-foss-beta-unsigned.apk
+    rm:
+      - app-k9mail
+      - feature/funding/googleplay
+    prebuild:
+      - sed -i -e 's/maven.mozilla.org/repo1.maven.org/' -e '/glean/d' -e '/googleplay/d'
+        -e '/foojay/d' ../settings.gradle.kts
+      - sed -i -e 's/feature.funding.googleplay/feature.funding.link/' build.gradle.kts
+    build: gradle assembleFossBeta
+
 AllowedAPKSigningKeys: 056bfafb450249502fd9226228704c2529e1b822da06760d47a85c9557741fbd
 
 MaintainerNotes: |-
@@ -292,5 +306,5 @@ MaintainerNotes: |-
 
 AutoUpdateMode: None
 UpdateCheckMode: None
-CurrentVersion: 12.0b7
-CurrentVersionCode: 25
+CurrentVersion: 13.0b1
+CurrentVersionCode: 27