diff --git a/metadata/org.mariotaku.twidere.txt b/metadata/org.mariotaku.twidere.txt
index 9a1b406fb6..f247dc57d2 100644
--- a/metadata/org.mariotaku.twidere.txt
+++ b/metadata/org.mariotaku.twidere.txt
@@ -1203,6 +1203,14 @@ Build:3.6.19,379
     gradle=fdroid
     rm=twidere.wear
 
+Build:3.6.21,381
+    commit=3.6.21
+    subdir=twidere
+    gradle=fdroid
+    rm=twidere.wear
+    prebuild=sed -i -e '/START Non-FOSS component/,/END Non-FOSS component/d' build.gradle && \
+        sed -i -e '/^bintray/,$d' ../twidere.component.common/build.gradle
+
 Maintainer Notes:
 * jitpack has TLS issues if gradle 2.10 or earlier is used.
 * upstream restructured, reset AUM when working build is ready.