diff --git a/app/build.gradle b/app/build.gradle
index 1bda83184..216241040 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -24,8 +24,8 @@ android {
         applicationId 'net.accelf.yuito'
         minSdkVersion 21
         targetSdkVersion 31
-        versionCode 49
-        versionName '4.3.0'
+        versionCode 50
+        versionName '4.4.0'
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
 
diff --git a/changelogs/v4.4.0/whatsnew-en-US b/changelogs/v4.4.0/whatsnew-en-US
new file mode 100644
index 000000000..c11dff68e
--- /dev/null
+++ b/changelogs/v4.4.0/whatsnew-en-US
@@ -0,0 +1 @@
+* Improve detection of malicious URLs
diff --git a/changelogs/v4.4.0/whatsnew-ja-JP b/changelogs/v4.4.0/whatsnew-ja-JP
new file mode 100644
index 000000000..0d6fce8b0
--- /dev/null
+++ b/changelogs/v4.4.0/whatsnew-ja-JP
@@ -0,0 +1 @@
+* 偽装URLの判定を改善