diff --git a/build.sbt b/build.sbt
index 32ea8dd..b64f93a 100644
--- a/build.sbt
+++ b/build.sbt
@@ -14,10 +14,10 @@ val commonDependencies = Seq(
   "org.http4s"       %% "http4s-dsl"            % "0.21.24",
 
   // ZIO and the interop library
-  "dev.zio"          %% "zio"                   % "1.0.9",
+  "dev.zio"          %% "zio"                   % "1.0.18",
   "dev.zio"          %% "zio-interop-cats"      % "2.5.1.0",
-  "dev.zio"          %% "zio-test"              % "1.0.9" % "test",
-  "dev.zio"          %% "zio-test-sbt"          % "1.0.9" % "test",
+  "dev.zio"          %% "zio-test"              % "1.0.18" % "test",
+  "dev.zio"          %% "zio-test-sbt"          % "1.0.18" % "test",
 )
 
 val commonSettings = Seq(