diff --git a/app/build.gradle b/app/build.gradle
index 4f7539d9..d358fff7 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -132,11 +132,11 @@ clean {
 
 task downloadBootstraps(){
     doLast {
-        def version = 20
-        downloadBootstrap("aarch64", "2ea6aaff12d8316223e5c1f22719d20633fae669d6461a6802b67b4adbe796de", version)
-        downloadBootstrap("arm",     "8a3a7e8adeff8eb769b03cad947f81b8c42b7c4c8edeea37c71a9d7abd9de99c", version)
-        downloadBootstrap("i686",    "b3e1f8e3ccb695d6fab7714c62b2028fbc37187ccfaff0a9f6bd64f738bc5adc", version)
-        downloadBootstrap("x86_64",  "2a9f6adbfb6f5e7c0bd03e022856a140768fa25ada850384d635c25c8e966ea3", version)
+        def version = 21
+        downloadBootstrap("aarch64", "9d362f1396e3a7d6987f09b8c3886c5aad514ab195ec7874a32000dc3b9cecde", version)
+        downloadBootstrap("arm",     "3c2f2ca9424fc984a4df54a3f9b38db3413b635ba39b89dfd8c753418730f719", version)
+        downloadBootstrap("i686",    "87afbd0fe6ebdc3abd9f2e5bc6136dbbf49991e485c9e9b03c4fe0149543ed7d", version)
+        downloadBootstrap("x86_64",  "bc91e5524d516cbe34b2ef082f6ebda1146457c8fa0373d06f7a1bb0c7be41df", version)
     }
 }