diff --git a/build.sbt b/build.sbt
index 664e658dc..7df0943c4 100644
--- a/build.sbt
+++ b/build.sbt
@@ -607,7 +607,7 @@ lazy val okhttpBackend = (projectMatrix in file("okhttp-backend"))
   .settings(
     name := "okhttp-backend",
     libraryDependencies ++= Seq(
-      "com.squareup.okhttp3" % "okhttp" % "4.12.0"
+      "com.squareup.okhttp3" % "okhttp" % "5.3.1"
     )
   )
   .jvmPlatform(scalaVersions = scala2And3)