diff --git a/app/build.gradle b/app/build.gradle
index b4d2f43..f793873 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -16,7 +16,7 @@ android {
 
     defaultConfig {
         applicationId "com.navi.uitron.demo"
-        minSdk 21
+        minSdk 23
         targetSdk 33
         versionCode VERSION_CODE
         versionName VERSION_NAME
diff --git a/benchmark/build.gradle b/benchmark/build.gradle
index 9a55848..3a5ee4c 100644
--- a/benchmark/build.gradle
+++ b/benchmark/build.gradle
@@ -8,7 +8,7 @@ android {
     compileSdk 34
 
     defaultConfig {
-        minSdk 24
+        minSdk 23
         targetSdk 33
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
diff --git a/navi-uitron/build.gradle b/navi-uitron/build.gradle
index 2e30a6b..5eeacf9 100644
--- a/navi-uitron/build.gradle
+++ b/navi-uitron/build.gradle
@@ -12,7 +12,7 @@ android {
     compileSdk 34
 
     defaultConfig {
-        minSdk 21
+        minSdk 23
         targetSdk 33
 
         consumerProguardFiles "consumer-rules.pro"