diff --git a/build.sbt b/build.sbt
index d69c2f1..df918a8 100644
--- a/build.sbt
+++ b/build.sbt
@@ -11,7 +11,7 @@ publish / skip := true
 
 sonatypeProfileName := "com.thesamet"
 
-def protobufJava = "com.google.protobuf" % "protobuf-java" % "3.25.4"
+def protobufJava = "com.google.protobuf" % "protobuf-java" % "4.28.1"
 
 inThisBuild(
   List(