diff --git a/core/build.gradle b/core/build.gradle
index 40d7afb76..5e2c4f6b7 100644
--- a/core/build.gradle
+++ b/core/build.gradle
@@ -12,7 +12,7 @@ version = '0.17-SNAPSHOT'
 dependencies {
     api 'org.bouncycastle:bcprov-jdk15to18:1.72'
     api 'com.google.guava:guava:31.1-android'
-    api 'com.google.protobuf:protobuf-javalite:3.19.4'
+    api 'com.google.protobuf:protobuf-javalite:3.21.9'
     implementation 'org.slf4j:slf4j-api:1.7.36'
     implementation 'net.jcip:jcip-annotations:1.0'
     testImplementation 'junit:junit:4.13.2'
@@ -39,7 +39,7 @@ compileJava {
 
 protobuf {
     protoc {
-        artifact = 'com.google.protobuf:protoc:3.19.4'
+        artifact = 'com.google.protobuf:protoc:3.21.9'
     }
     generateProtoTasks {
         all().each { task ->