diff --git a/build.sbt b/build.sbt
index 827d55a..66624e3 100644
--- a/build.sbt
+++ b/build.sbt
@@ -23,7 +23,7 @@ import com.typesafe.sbt.SbtGit.GitKeys._
 val breezeVersion = "1.0"
 val algebirdVersion = "0.13.8"
 val scalaTestVersion = "3.2.3"
-val protobufVersion = "3.17.1"
+val protobufVersion = "3.17.2"
 
 ThisBuild / scalafixScalaBinaryVersion := CrossVersion.binaryScalaVersion(scalaVersion.value)