diff --git a/app/build.gradle b/app/build.gradle
index bf1991182..8cb29d3e2 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -20,8 +20,8 @@ android {
         applicationId 'net.accelf.yuito'
         minSdkVersion 21
         targetSdkVersion 29
-        versionCode 39
-        versionName '4.0.1'
+        versionCode 40
+        versionName '4.1.0'
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
 
diff --git a/changelogs/v4.1.0/whatsnew-ja-JP b/changelogs/v4.1.0/whatsnew-ja-JP
new file mode 100644
index 000000000..5f737be68
--- /dev/null
+++ b/changelogs/v4.1.0/whatsnew-ja-JP
@@ -0,0 +1,2 @@
+* ストリーミングに `/api/v1/streaming` への単一のコネクションを使用するように変更
+* https://github.com/tuskyapp/Tusky/compare/821411b0ebe0c7f7691c88d000c10ab8b615c4e1...73e9338f3c8ff25ab6ef7ad647cf8069e0e81cf2