diff --git a/vector/build.gradle b/vector/build.gradle
index 8fc7f70a..f8498182 100644
--- a/vector/build.gradle
+++ b/vector/build.gradle
@@ -58,7 +58,9 @@ android {
     compileSdkVersion 28
     defaultConfig {
         applicationId "im.vector.riotredesign"
-        minSdkVersion 16
+        // Set to API 19 because motionLayout is min API 18.
+        // In the future we may consider using an alternative of MotionLayout to support API 16. But for security reason, maybe not.
+        minSdkVersion 19
         targetSdkVersion 28
         multiDexEnabled true
         versionCode generateVersionCodeFromTimestamp()