diff --git a/build.sbt b/build.sbt
index f28e63d..621e9b4 100644
--- a/build.sbt
+++ b/build.sbt
@@ -74,7 +74,7 @@ lazy val core = (project in file("modules/core"))
     name        := "calypso-core",
     description := "calypso core",
     libraryDependencies ++= List(
-      "org.mongodb"    % "bson"             % "4.11.1",
+      "org.mongodb"    % "bson"             % "5.0.0",
       "org.typelevel" %% "cats-core"        % "2.10.0",
       "org.scalameta" %% "munit"            % "0.7.29" % Test,
       "org.scalameta" %% "munit-scalacheck" % "0.7.29" % Test