diff --git a/README.md b/README.md
index 79a71bd..5526431 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ Vodka is a library build for [Aiken](https://aiken-lang.org/) development. It of
 Simply run
 
 ```sh
-aiken add sidan-lab/vodka --version 0.1.10
+aiken add sidan-lab/vodka --version 0.1.11
 ```
 
 or putting the below in you `aiken.toml`
@@ -27,7 +27,7 @@ or putting the below in you `aiken.toml`
 ```toml
 [[dependencies]]
 name = "sidan-lab/vodka"
-version = "0.1.10"
+version = "0.1.11"
 source = "github"
 ```
 
@@ -37,7 +37,7 @@ Vodka is now upgraded to support latest PlutusV3 with latest version, if you wan
 
 | Vodka      | Aiken Compiler | `aiken-lang/stdlib` |
 | ---------- | -------------- | ------------------- |
-| 0.1.10     | ^v1.1.9        | v2.2.0              |
+| 0.1.11     | ^v1.1.9        | v2.2.0              |
 | 0.1.6      | ^v1.1.5        | v2.1.0              |
 | 0.0.1-beta | v1.0.29-alpha  | v1.9.0              |
 
diff --git a/aiken.toml b/aiken.toml
index 685224d..0ada645 100644
--- a/aiken.toml
+++ b/aiken.toml
@@ -1,5 +1,5 @@
 name = "sidan-lab/vodka"
-version = "0.1.10"
+version = "0.1.11"
 compiler = "v1.1.9"
 plutus = "v3"
 license = "Apache-2.0"
diff --git a/lib/mocktail.ak b/lib/mocktail.ak
index 778b132..79a8e7c 100644
--- a/lib/mocktail.ak
+++ b/lib/mocktail.ak
@@ -477,7 +477,7 @@ pub fn add_input(tx: Transaction, condition: Bool, input: Input) -> Transaction
   if !condition {
     tx
   } else {
-    Transaction { ..tx, inputs: tx.inputs |> list.push(input) }
+    Transaction { ..tx, inputs: tx.inputs |> list.concat([input]) }
   }
 }
 
@@ -500,7 +500,7 @@ pub fn add_reference_input(
   } else {
     Transaction {
       ..tx,
-      reference_inputs: tx.reference_inputs |> list.push(input),
+      reference_inputs: tx.reference_inputs |> list.concat([input]),
     }
   }
 }
@@ -522,7 +522,7 @@ pub fn add_output(
   if !condition {
     tx
   } else {
-    Transaction { ..tx, outputs: tx.outputs |> list.push(output) }
+    Transaction { ..tx, outputs: tx.outputs |> list.concat([output]) }
   }
 }
 
@@ -587,7 +587,7 @@ pub fn add_certificate(
   } else {
     Transaction {
       ..tx,
-      certificates: tx.certificates |> list.push(certificate),
+      certificates: tx.certificates |> list.concat([certificate]),
     }
   }
 }
@@ -609,7 +609,10 @@ pub fn add_withdrawal(
   if !condition {
     tx
   } else {
-    Transaction { ..tx, withdrawals: tx.withdrawals |> list.push(withdrawal) }
+    Transaction {
+      ..tx,
+      withdrawals: tx.withdrawals |> list.concat([withdrawal]),
+    }
   }
 }
 
@@ -632,7 +635,7 @@ pub fn add_extra_signatory(
   } else {
     Transaction {
       ..tx,
-      extra_signatories: tx.extra_signatories |> list.push(signatory),
+      extra_signatories: tx.extra_signatories |> list.concat([signatory]),
     }
   }
 }
@@ -654,7 +657,7 @@ pub fn add_redeemer(
   if !condition {
     tx
   } else {
-    Transaction { ..tx, redeemers: tx.redeemers |> list.push(redeemer) }
+    Transaction { ..tx, redeemers: tx.redeemers |> list.concat([redeemer]) }
   }
 }
 
@@ -756,3 +759,18 @@ pub const mock_script_output = virgin_outputs.mock_script_output
 
 /// Documentation please refer to [`virgin_validity_range`](./mocktail/virgin_validity_range.html)
 pub const mock_interval = virgin_validity_range.mock_interval
+
+test preserve_tx_in_order() {
+  let tx: Transaction =
+    mocktail_tx()
+      |> tx_in(True, mock_tx_hash(0), 0, zero, mock_pub_key_address(0, None))
+      |> tx_in(True, mock_tx_hash(1), 1, zero, mock_pub_key_address(1, None))
+      |> complete()
+  expect [input1, input2] = tx.inputs
+  and {
+    input1.output_reference.transaction_id == mock_tx_hash(0),
+    input1.output_reference.output_index == 0,
+    input2.output_reference.transaction_id == mock_tx_hash(1),
+    input2.output_reference.output_index == 1,
+  }
+}
diff --git a/plutus.json b/plutus.json
index cb12d47..9a4edb7 100644
--- a/plutus.json
+++ b/plutus.json
@@ -2,7 +2,7 @@
   "preamble": {
     "title": "sidan-lab/vodka",
     "description": "Aiken utils for project 'sidan-lab/vodka",
-    "version": "0.1.10",
+    "version": "0.1.11",
     "plutusVersion": "v3",
     "compiler": {
       "name": "Aiken",