diff --git a/app/build.gradle b/app/build.gradle
index b2423a15..4ce3cb13 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -22,8 +22,8 @@ android {
         targetSdkVersion target_sdk_version
         minSdkVersion min_sdk_version
 
-        versionCode 462
-        versionName "4.6.2"
+        versionCode 463
+        versionName "4.6.3"
         applicationId "jp.juggler.subwaytooter"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
diff --git a/build.gradle b/build.gradle
index e0325486..51266587 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,7 @@ buildscript {
     ext.appcompat_version='1.3.0'
     ext.lifecycle_version='2.3.1'
 
-    ext.kotlin_version = '1.5.0'
+    ext.kotlin_version = '1.5.10'
     ext.kotlinx_coroutines_version = '1.5.0'
     ext.anko_version='0.10.8'