diff --git a/build.sbt b/build.sbt
index e065e969..e90e463b 100644
--- a/build.sbt
+++ b/build.sbt
@@ -22,7 +22,7 @@ val V = new {
   val slf4j              = "2.0.9"
   val sttp               = "3.9.1"
   val vulcan             = "1.10.1"
-  val zio                = "2.0.19"
+  val zio                = "2.0.21"
   val `zio-interop`      = "23.0.0.8"
   val `zio-json`         = "0.6.2"
   val `zio-kafka`        = "2.6.0"