diff --git a/build.sbt b/build.sbt
index f48c2b5..1c7667b 100644
--- a/build.sbt
+++ b/build.sbt
@@ -92,8 +92,8 @@ val scalapbArgonaut = crossProject(JVMPlatform, JSPlatform, NativePlatform)
     ),
     libraryDependencies ++= Seq(
       "com.github.scalaprops" %%% "scalaprops-shapeless" % "0.6.0" % "test",
-      "com.google.protobuf" % "protobuf-java-util" % "3.25.5" % "test",
-      "com.google.protobuf" % "protobuf-java" % "3.25.5" % "protobuf"
+      "com.google.protobuf" % "protobuf-java-util" % "4.28.3" % "test",
+      "com.google.protobuf" % "protobuf-java" % "4.28.3" % "protobuf"
     )
   )
   .jsSettings(