diff --git a/parachains/runtimes/contracts/contracts-rococo/src/contracts.rs b/parachains/runtimes/contracts/contracts-rococo/src/contracts.rs
index 7cebf9f5a57..7c19677603c 100644
--- a/parachains/runtimes/contracts/contracts-rococo/src/contracts.rs
+++ b/parachains/runtimes/contracts/contracts-rococo/src/contracts.rs
@@ -53,9 +53,9 @@ impl Config for Runtime {
 	type DeletionQueueDepth = DeletionQueueDepth;
 	type DeletionWeightLimit = DeletionWeightLimit;
 	type Schedule = MySchedule;
-	type CallStack = [Frame<Self>; 31];
+	type CallStack = [Frame<Self>; 5];
 	type AddressGenerator = DefaultAddressGenerator;
-	type MaxCodeLen = ConstU32<{ 128 * 1024 }>;
+	type MaxCodeLen = ConstU32<{ 123 * 1024 }>;
 	type MaxStorageKeyLen = ConstU32<128>;
 	type UnsafeUnstableInterface = ConstBool<true>;
 	type MaxDebugBufferLen = ConstU32<{ 2 * 1024 * 1024 }>;