diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index ba58e16c..13e1e8d2 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,7 +1,7 @@
 [versions]
 # Keep this values in sync with bundletool"s dependencies.
 aapt2Proto = "8.7.1-12006047"
-protobufJava = "3.25.5"
+protobufJava = "4.28.3"
 guava = "30.1-jre"
 
 [libraries]