diff --git a/android-interop-testing/build.gradle b/android-interop-testing/build.gradle
index bbf1fcfe99..8f1c0849e9 100644
--- a/android-interop-testing/build.gradle
+++ b/android-interop-testing/build.gradle
@@ -33,7 +33,7 @@ android {
 
     defaultConfig {
         applicationId "io.grpc.android.integrationtest"
-        minSdkVersion 16
+        minSdkVersion 19
         targetSdkVersion 26
         versionCode 1
         versionName "1.0"
diff --git a/android/build.gradle b/android/build.gradle
index a50f7b8559..b0916f9e04 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -15,7 +15,7 @@ android {
     compileSdkVersion 29
     defaultConfig {
         consumerProguardFiles "proguard-rules.txt"
-        minSdkVersion 16
+        minSdkVersion 19
         targetSdkVersion 29
         versionCode 1
         versionName "1.0"
diff --git a/binder/build.gradle b/binder/build.gradle
index 81606d4726..c0e0b66fd6 100644
--- a/binder/build.gradle
+++ b/binder/build.gradle
@@ -29,7 +29,7 @@ android {
         targetCompatibility 1.8
     }
     defaultConfig {
-        minSdkVersion 16
+        minSdkVersion 19
         targetSdkVersion 29
         versionCode 1
         versionName "1.0"
diff --git a/cronet/build.gradle b/cronet/build.gradle
index 7a6d58a7e4..e0a0b7b53a 100644
--- a/cronet/build.gradle
+++ b/cronet/build.gradle
@@ -15,7 +15,7 @@ repositories {
 android {
     compileSdkVersion 29
     defaultConfig {
-        minSdkVersion 16
+        minSdkVersion 19
         targetSdkVersion 29
         versionCode 1
         versionName "1.0"
diff --git a/examples/android/helloworld/app/build.gradle b/examples/android/helloworld/app/build.gradle
index f93118f8c6..29b7bc61c0 100644
--- a/examples/android/helloworld/app/build.gradle
+++ b/examples/android/helloworld/app/build.gradle
@@ -10,7 +10,7 @@ android {
 
     defaultConfig {
         applicationId "io.grpc.helloworldexample"
-        minSdkVersion 16
+        minSdkVersion 19
         targetSdkVersion 27
         versionCode 1
         versionName "1.0"
diff --git a/examples/android/routeguide/app/build.gradle b/examples/android/routeguide/app/build.gradle
index ef9f559389..665730306a 100644
--- a/examples/android/routeguide/app/build.gradle
+++ b/examples/android/routeguide/app/build.gradle
@@ -10,7 +10,7 @@ android {
 
     defaultConfig {
         applicationId "io.grpc.routeguideexample"
-        minSdkVersion 16
+        minSdkVersion 19
         targetSdkVersion 27
         versionCode 1
         versionName "1.0"