diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 8a96b418..cb986d79 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -9,7 +9,7 @@ android {
 
     defaultConfig {
         applicationId = "com.kevinnzou.webview"
-        minSdk = 24
+        minSdk = 21
         targetSdk = 34
         versionCode = 1
         versionName = "1.0"
diff --git a/web/build.gradle.kts b/web/build.gradle.kts
index 3e58f4d7..f3dea001 100644
--- a/web/build.gradle.kts
+++ b/web/build.gradle.kts
@@ -9,7 +9,7 @@ android {
     compileSdk = 34
 
     defaultConfig {
-        minSdk = 24
+        minSdk = 21
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
         consumerProguardFiles("consumer-rules.pro")