diff --git a/tunnel/build.gradle.kts b/tunnel/build.gradle.kts
index 52fbc67f..26cda3df 100644
--- a/tunnel/build.gradle.kts
+++ b/tunnel/build.gradle.kts
@@ -19,7 +19,7 @@ android {
     }
     namespace = "${pkg}.tunnel"
     defaultConfig {
-        minSdk = 21
+        minSdk = 24
     }
     externalNativeBuild {
         cmake {