diff --git a/build.gradle b/build.gradle
index 29712258..38ca575e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,7 +2,7 @@
 buildscript {
     ext.buildConfig = [
             'compileSdk': 31,
-            'minSdk'    : 21,
+            'minSdk'    : 26,
             'targetSdk' : 31,
 
             'version'   : [