diff --git a/build.sbt b/build.sbt
index 3f95fda..a03591b 100644
--- a/build.sbt
+++ b/build.sbt
@@ -30,7 +30,7 @@ val scala3   = "3.3.4"
 
 val javaPlatform = "11"
 
-val zioVersion = "2.1.13"
+val zioVersion = "2.1.16"
 
 // Command aliases for convenience and for CI
 addCommandAlias("fmt", s"++$scala213; scalafmtSbt; scalafmtAll")