diff --git a/build.sc b/build.sc
index 18df9b57..a43c818f 100644
--- a/build.sc
+++ b/build.sc
@@ -12,7 +12,7 @@ object library {
     val cats               = "2.12.0"
     val catsEffect         = "2.5.5"
     val catsEffect3        = "3.5.4"
-    val zio                = "2.1.3"
+    val zio                = "2.1.6"
     val zhttp              = "2.0.0-RC10"
     val zioInteropCats     = "23.1.0.2"
     val sttp               = "3.9.7"