diff --git a/core/build.gradle b/core/build.gradle
index 1b21f2f..2a911ac 100644
--- a/core/build.gradle
+++ b/core/build.gradle
@@ -17,7 +17,7 @@ dependencies {
     api 'com.madgag.spongycastle:core:1.58.0.0'
     api 'com.lambdaworks:scrypt:1.4.0'
     api 'org.junit.jupiter:junit-jupiter-api:5.10.3'
-    api 'com.google.protobuf:protobuf-java:3.25.3'
+    api 'com.google.protobuf:protobuf-java:4.28.3'
     api 'org.slf4j:slf4j-jdk14:2.0.13'
     api 'org.json:json:20240303'
     api 'com.squareup.okhttp:okhttp:2.7.5'