diff --git a/wallet/build.gradle b/wallet/build.gradle
index d228e1d..7177d06 100644
--- a/wallet/build.gradle
+++ b/wallet/build.gradle
@@ -57,7 +57,7 @@ android {
         implementation 'com.google.guava:guava:23.0' //TODO ToStringHelper update for 19.0+
         implementation 'com.google.code.findbugs:jsr305:3.0.2' // most recent as of 7/2023
         implementation 'com.madgag.spongycastle:core:1.58.0.0' // most recent as of 7/2023
-        implementation 'com.google.protobuf:protobuf-java:3.25.3' // most used as of 7/23/2024
+        implementation 'com.google.protobuf:protobuf-java:4.28.3' // most used as of 7/23/2024
         implementation 'com.google.zxing:core:3.5.3' //most recent as of 7/23/2024
         implementation 'ch.acra:acra:4.11.1' //most recent as of 10/2023
         implementation 'com.android.support:support-v4-preferencefragment:1.0.0@aar'