diff --git a/DistTestCore/Codex/CodexContainerRecipe.cs b/DistTestCore/Codex/CodexContainerRecipe.cs
index de2ccbdc..54c36458 100644
--- a/DistTestCore/Codex/CodexContainerRecipe.cs
+++ b/DistTestCore/Codex/CodexContainerRecipe.cs
@@ -17,7 +17,7 @@ namespace DistTestCore.Codex
 
         public override string AppName => "codex";
         public override string Image { get; }
-        protected override ResourceLimits ResourceLimits => new ResourceLimits(milliCPUs: 500, memory: 2.GB());
+        protected override ResourceLimits ResourceLimits => new ResourceLimits(milliCPUs: 250, memory: 512.MB());
 
         public CodexContainerRecipe()
         {