diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 94bc5da1..f14634dd 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 = "8.5.1-11315950"
-protobufJava = "3.25.4"
+protobufJava = "4.27.3"
 guava = "30.1-jre"
 
 [libraries]