diff --git a/examples-android/build.gradle b/examples-android/build.gradle
index 7e7861d..c5d916a 100644
--- a/examples-android/build.gradle
+++ b/examples-android/build.gradle
@@ -36,7 +36,7 @@ buildscript {
 
 allprojects {
     ext.javax_annotation_version = '1.3.2'
-    ext.protoc_version = '3.7.1'
+    ext.protoc_version = '3.21.12'
     ext.protoc_gen_javalite_version = '3.0.0'
     ext.grpc_version = '1.20.0'
     ext.junit_version = '4.12'