diff --git a/internal/test_txn_tx_failure.go b/internal/test_txn_tx_failure.go
index b965a9c5..541b4955 100644
--- a/internal/test_txn_tx_failure.go
+++ b/internal/test_txn_tx_failure.go
@@ -1,11 +1,14 @@
 package internal
 
 import (
+	"fmt"
+
 	"github.com/codecrafters-io/redis-tester/internal/redis_executable"
 	resp_value "github.com/codecrafters-io/redis-tester/internal/resp/value"
 
 	"github.com/codecrafters-io/redis-tester/internal/resp_assertions"
 	"github.com/codecrafters-io/redis-tester/internal/test_cases"
+	"github.com/codecrafters-io/tester-utils/random"
 	"github.com/codecrafters-io/tester-utils/test_case_harness"
 )
 
@@ -25,10 +28,14 @@ func testTxErr(stageHarness *test_case_harness.TestCaseHarness) error {
 		defer client.Close()
 	}
 
+	key1, key2 := random.RandomWord(), random.RandomWord()
+	randomStringValue := random.RandomWord()
+	randomIntegerValue := random.RandomInt(1, 100)
+
 	multiCommandTestCase := test_cases.MultiCommandTestCase{
 		Commands: [][]string{
-			{"SET", "foo", "abc"},
-			{"SET", "bar", "7"},
+			{"SET", key1, randomStringValue},
+			{"SET", key2, fmt.Sprint(randomIntegerValue)},
 		},
 		Assertions: []resp_assertions.RESPAssertion{
 			resp_assertions.NewStringAssertion("OK"),
@@ -42,11 +49,11 @@ func testTxErr(stageHarness *test_case_harness.TestCaseHarness) error {
 
 	transactionTestCase := test_cases.TransactionTestCase{
 		CommandQueue: [][]string{
-			{"INCR", "foo"},
-			{"INCR", "bar"},
+			{"INCR", key1},
+			{"INCR", key2},
 		},
 		ResultArray: []resp_value.Value{
-			resp_value.NewErrorValue("ERR value is not an integer or out of range"), resp_value.NewIntegerValue(8)},
+			resp_value.NewErrorValue("ERR value is not an integer or out of range"), resp_value.NewIntegerValue(randomIntegerValue + 1)},
 	}
 
 	if err := transactionTestCase.RunAll(clients[0], logger); err != nil {
@@ -55,12 +62,12 @@ func testTxErr(stageHarness *test_case_harness.TestCaseHarness) error {
 
 	multiCommandTestCase = test_cases.MultiCommandTestCase{
 		Commands: [][]string{
-			{"GET", "bar"},
-			{"GET", "foo"},
+			{"GET", key2},
+			{"GET", key1},
 		},
 		Assertions: []resp_assertions.RESPAssertion{
-			resp_assertions.NewStringAssertion("8"),
-			resp_assertions.NewStringAssertion("abc"),
+			resp_assertions.NewStringAssertion(fmt.Sprint(randomIntegerValue + 1)),
+			resp_assertions.NewStringAssertion(randomStringValue),
 		},
 	}