diff --git a/metadata/org.telegram.messenger.txt b/metadata/org.telegram.messenger.txt
index 8b7782ae43..71937b8780 100644
--- a/metadata/org.telegram.messenger.txt
+++ b/metadata/org.telegram.messenger.txt
@@ -294,6 +294,19 @@ Build:4.2.1a,10445
         popd
     ndk=r15c
 
+Build:4.2.1b,10455
+    commit=v4.2.1b
+    subdir=TMessagesProj
+    submodules=yes
+    gradle=fat
+    rm=TMessagesProj/jni/libwebp/swig/libwebp.jar,TMessagesProj/jni/ffmpeg/tests/ref/fate/sub-microdvd-remux
+    prebuild=echo -e 'APP_ID = 12834\nAPP_HASH = c84d9229db1d6be95c067b02b126352c' > API_KEYS
+    build=export NDK=$$NDK$$ && \
+        pushd jni && \
+        ./build_ffmpeg_android.sh && \
+        popd
+    ndk=r15c
+
 Maintainer Notes:
 Summary and Description have been moved to the new localizable text files:
 https://f-droid.org/docs/All_About_Descriptions_Graphics_and_Screenshots
@@ -302,5 +315,5 @@ https://f-droid.org/docs/All_About_Descriptions_Graphics_and_Screenshots
 Auto Update Mode:Version v%v
 Update Check Mode:Tags
 Vercode Operation:%c*10 + 5
-Current Version:4.2.1a
-Current Version Code:10445
+Current Version:4.2.1b
+Current Version Code:10455