diff --git a/build.sbt b/build.sbt
index f9a6cfc..8b7c030 100644
--- a/build.sbt
+++ b/build.sbt
@@ -14,7 +14,7 @@ lazy val scalacheckVersion = "1.18.0"
 lazy val munitVersion      = "1.0.0"
 lazy val h2Version         = "2.2.224"
 lazy val calibanVersion    = "2.3.0"
-lazy val zioVersion        = "2.1.5"
+lazy val zioVersion        = "2.1.6"
 
 inThisBuild(
   List(