diff --git a/app/build.gradle b/app/build.gradle
index 02de497aa..0f80418f5 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -24,8 +24,8 @@ android {
         applicationId 'net.accelf.yuito'
         minSdkVersion 21
         targetSdkVersion 31
-        versionCode 47
-        versionName '4.2.0'
+        versionCode 48
+        versionName '4.2.1'
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
 
diff --git a/changelogs/v4.2.1/whatsnew-en-US b/changelogs/v4.2.1/whatsnew-en-US
new file mode 100644
index 000000000..2c1052ebb
--- /dev/null
+++ b/changelogs/v4.2.1/whatsnew-en-US
@@ -0,0 +1,2 @@
+* Fix search page crashes
+* https://github.com/tuskyapp/Tusky/compare/b2f2ca6c2216aa357d2dfb79981b18c36daacd9f...3ae18fd9231ba9d8f36df4b8187488b9e2cb2f01
diff --git a/changelogs/v4.2.1/whatsnew-ja-JP b/changelogs/v4.2.1/whatsnew-ja-JP
new file mode 100644
index 000000000..4a54b7a46
--- /dev/null
+++ b/changelogs/v4.2.1/whatsnew-ja-JP
@@ -0,0 +1,2 @@
+* 検索画面がクラッシュする問題を修正
+* https://github.com/tuskyapp/Tusky/compare/b2f2ca6c2216aa357d2dfb79981b18c36daacd9f...3ae18fd9231ba9d8f36df4b8187488b9e2cb2f01