diff --git a/build.sbt b/build.sbt
index c519fda59..9e140e157 100644
--- a/build.sbt
+++ b/build.sbt
@@ -113,8 +113,8 @@ lazy val coreBuildSettings = Seq(
   // do not use unused params as NoOpCrypto ignores its constructor, we should provide a way
   // to write a crypto plugin so that we fall back to a noarg constructor
   scalacOptions ++= scalacOptionsByV(scalaVersion.value).filterNot(_ == "-Ywarn-unused:params"),
-  PB.targets in Compile := Seq(PB.gens.java("2.6.1") -> (sourceManaged in Compile).value),
-  PB.protocVersion := "-v261"
+  PB.targets in Compile := Seq(PB.gens.java("3.21.7") -> (sourceManaged in Compile).value),
+  PB.protocVersion := "-v3.21.7"
 )
 
 lazy val corePublishSettings = Seq(
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index 32bba8c3b..1063034c2 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -29,7 +29,7 @@ object Dependencies {
     "com.amazonaws"             %  "aws-java-sdk-core"              % awsV withSources(),
     "com.github.ben-manes.caffeine" % "caffeine"                    % "2.2.7",
     "com.github.cb372"          %% "scalacache-caffeine"            % "0.9.4",
-    "com.google.protobuf"       %  "protobuf-java"                  % "2.6.1",
+    "com.google.protobuf"       %  "protobuf-java"                  % "3.21.7",
     "dnsjava"                   %  "dnsjava"                        % "3.4.2",
     "org.apache.commons"        %  "commons-lang3"                  % "3.4",
     "org.apache.commons"        %  "commons-text"                   % "1.4",
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 38f8de3ba..db6bd96b6 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -2,7 +2,7 @@ logLevel := Level.Warn
 
 resolvers += "Flyway" at "https://flywaydb.org/repo"
 
-addSbtPlugin("com.thesamet" % "sbt-protoc" % "0.99.18")
+addSbtPlugin("com.thesamet" % "sbt-protoc" % "1.0.6")
 
 addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "1.1.0")
 
@@ -20,7 +20,7 @@ addSbtPlugin("com.typesafe.sbt" % "sbt-ghpages" % "0.6.3")
 
 addSbtPlugin("de.heikoseeberger" % "sbt-header" % "5.5.0")
 
-addSbtPlugin("com.typesafe.play" % "sbt-plugin" % "2.7.4")
+addSbtPlugin("com.typesafe.play" % "sbt-plugin" % "2.8.18")
 
 addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.3.4")